Clip-On Dog Collar Lights and Blinkers
A clip-on collar light attaches to the collar or harness your dog already wears, so there is no second collar to fit, charge and lose. It is the simplest way to make a dog visible on a dark walk: a bright blinker on top of the neck is seen by a driver well before their headlights find the dog, and it takes seconds to put on.
You might also want to browse collars in every size, name-engraved collars and name tags for dog collars.
How they attach, and where to put them
Collar lights use one of three fixings. A spring clip like the Ancol Flashing Blinker snaps over the collar webbing or a harness strap in a second. A loop type such as the LED Pet Collar Light Pendant in 6.3cm silicone stretches round the collar and holds itself on. A carabiner pendant like the 60mm alloy LED Collar Light Pendant hangs from the D-ring beside the ID tag.
Where you put it matters more than which type you buy. A pendant on the D-ring hangs under the chin, and a dog with a deep chest or a long coat hides it the moment she drops her head to sniff. Clip it to the top of the neck, or to the back strap of a harness between the shoulder blades, so it faces the road rather than the pavement.
Flashing or steady, battery or USB
A flashing light is noticed faster by a driver because the eye is drawn to movement, and it uses less battery than a steady beam. A steady light is easier to follow across a dark field and gentler on a nervous dog who dislikes a strobe under his chin. The silicone pendant runs three flashing modes; the Kowloon LED Blinker in green is a one-button flasher.
Coin-cell lights are light, cheap to run and simple, and the cells are the sort any supermarket sells; keep a spare in the coat pocket because they tend to die at the far end of the walk. USB rechargeable types such as the Banana LED Collar Light in silicone charge from a phone plug and suit a dog walked in the dark every day. Cold shortens both.
Weight, and lights for small dogs
On a chihuahua, a Yorkie or a small terrier a pendant swinging on the D-ring is a nuisance: it clatters against the tag, hangs low, and on a narrow collar can pull the whole collar round so the light ends up under the throat. The Double-Sided LED Dog Walking Light weighs 35g, about a small handful of kibble, and clips flat to the top of the collar.
Double-sided means it shows light forwards and backwards at once, which on a small dog is the difference between being seen by the car coming towards you and the one coming up behind. Fix it high on the neck, because a small dog is close to the ground and needs every centimetre of height to clear a parked car's bumper.
Big dogs, and the honest limit of one light
One clip-on light is one small point of light on a moving animal. Fixed to the chest strap of a harness it can vanish when the dog turns side-on or drops his head, and a driver only sees it when the dog happens to face them. Fine on a short lead along a lit pavement; not enough on its own for a big dog loose on a common.
The answer on a large or off-lead dog is two lights: one on the top of the neck and one on the back strap of the harness, in different colours so you can read which way he is facing. Because they sit on different parts of the body, one is nearly always showing. An Ancol blinker in orange and a green Kowloon on the harness do it between them.
Rain, mud and pairing with reflective kit
Most blinkers are water resistant, which covers rain, wet grass and a muddy roll but not a swim. Silicone wipes clean under the tap; the alloy pendant wants a wipe and a dry before it goes in the drawer so the contacts do not corrode. Check the battery cover is clicked shut before every walk, because an open cover is why a light goes dark in the rain.
A light tells a driver where the dog is; reflective kit tells them what shape it is once the headlights arrive. Pair a blinker with a reflective collar or a high-visibility coat and you have both: the light works at distance and from the side, the reflective strip in the last fifty metres.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.

USB Rechargeable Banana LED Collar Light in Silicone for Dogs
A soft silicone banana that charges over USB and glows on the collar, so there are no coin cells to hunt down and nothing hard swinging against your dog's throat.
£15.99

LED Collar Light Pendant for Dogs, 60mm Alloy, Five Colours
A 60mm alloy pendant that clips to the collar your dog already wears, so there is no new collar to get used to and nothing to remember on the way out.
From£8.99

LED Pet Collar Light Pendant, 6.3cm Silicone, Three Flashing Modes
A 6.3cm silicone LED pendant that clips to the collar your dog already wears, with steady, fast flash and slow flash modes for dark winter walks and roadsides.
£8.99

Light-Up Walk Set: Flashing Lead, Flashing Collar and LED Blinker
A light-up lead, a matching flashing collar and a clip-on LED blinker, so on a dark road a driver sees a person attached to a dog, not a single moving dot. Held in stock and posted together.
From£29.99

Dark Walks Kit: Flashing Collar, LED Blinker and Flashing Ball
A light-up nylon collar, a clip-on LED blinker for the harness or lead, and a flashing ball for fetch after four o'clock. Three ways to be seen on a winter walk, in one box, sized for your dog.
From£24.99

Double-Sided LED Dog Walking Light, Clip-On, 35g, Four Colours
Lit on both faces of a U-shaped body, so it shows to the traffic coming towards you and the car overtaking behind at once, which a flat tag light cannot.
£11.99

Hi-Vis Walk Set: Flashing Vest, Reflective Slip Lead and Flashing Blinker
An orange flashing hi-vis vest, a reflective rope slip lead and a clip-on flashing blinker. The set for a dog that walks roads and lanes in the dark, sized small to large.
From£28.99

Kowloon LED Blinker Green
USB-rechargeable dog walking light with three modes for after-dark visibility
£7.39

Ancol Flashing Blinker Orange
A flashing safety blinker for dogs, with up to 80 hours battery life
£4.29


Kowloon Silicon LED Blinker Yellow
A clip-on silicone LED blinker with 3 flash modes, for visibility on night walks
£2.95
Common questions
- Where should a light go on a dog's collar?
- On top of the neck, or on the back strap of a harness between the shoulders. A pendant hanging from the D-ring under the chin is hidden every time the dog sniffs the ground, and on a deep-chested dog it disappears behind the chest. Higher up faces the road.
- Are flashing lights bad for dogs?
- A small blinker on the collar is not harmful; it is no brighter than a bicycle light and the dog is not looking at it. Some nervous dogs dislike a fast strobe at the edge of their vision, so start on steady or a slow flash and leave it there if that suits him better.
- Do I need a collar light if my dog already wears a reflective collar?
- Yes, if you walk in the dark. Reflective material only works when a light source hits it, so a dog on a pavement lit from above, or seen from the side, shows nothing. A light is visible from every direction on its own, long before headlights find the dog.
- How long do the batteries last in a clip-on dog light?
- A coin-cell blinker usually gives weeks of short daily walks in flashing mode and less on steady. USB types run several evenings per charge. Both drop off in the cold, so keep a spare cell in the coat pocket through winter and charge rechargeables with your phone.
Related
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.