Baishitop Electric Dog Collar, Rechargeable USB Waterproof LED Flashing Light Pet Dog Collar Use high quality LED lights as the light emitting material--It is a highly visible dog collar so that in the utmost extent it can protection dog's safety. Can be cut to any lengthCollars Length 50cm, you can cut it to the suitable length by using scissors to fit your pet! 3 Light Settings - Slow flash, quick flash & steady glow (Easy push button) Rechargeable via Micro USB - Can be charged via Phone Chargers, Laptops, PC's, Tablets, Smart TV's Mains USB Power Adapters(Micro USB cable included) Outstanding features: waterproof and it can always be adjusted to the length of your dog comfortable, and at night and in low light conditions and make your dog easier for to be identified