1LARGE CAPACITY BATTERY: Dog collar light pendant has a large capacity rechargeable battery, charging 2 hours, up to 8 hours of life, can be used for a long time out. 2APPLICABLE OBJECTS: LED dog light pendant is widely used, hanging on the pet collar to prevent loss, hanging on the bag, hanging on the bike to prevent car collision. 3DEEP WATERPROOF: Dog light pendant is IPX7 level waterproof, with deep waterproof design, fully enclosed waterproof structure, rain, swimming, daily play water do not have to be afraid. 4DURABLE MATERIAL: Dog safety light is made of TPU and ABS material, silicone sleeve part is made of TPU silicone material, anti pull, anti pressure, anti tear. 5COMPACT: USB dog light small size and light weight, will not increase the burden on the dog's neck too much, lightweight and comfortable, can be worn for a long time to use. 1 x DogCollarLightPendant1 x USBCharging Line Item Type: Dog Collar LightPendantMaterial: TPU, ABSUse: Pet LED Luminous PendantBattery Type, Quantity: 1 x 501220 Lithium Battery (80mAh) ( Shipped with Built in Battery)Product Mode: Fast Flash, Slow Flash, Constant LightApplicable Objects: Various Night Scenes Applicable, Hanging On The Pet Collar, Hanging On The Bag, Hanging On The BikeLength: Approx. 8cm/ 3.1in