1、The pet collar light has 3 flashing modes. Press once to keep a stable light, press twice to flash quickly, and flash slowly for the third time. You can use different flashing modes on different situations, such as Use stable light when walking at night, flashes quickly at party. 2、The dog collar safety light is designed lightweight without causing burden on your pet, comfortable to wear. Waterproof material and secure stainless steel clip makes it durable for use. 3、Can provide enough visibility for reading, can help people find the location of the key or keyhole, can also help you find camping equipment. 4、Can use safety collar lights to help them find the location of their pets when they walk their pets at night. Of course, this also be helpful on a rainy day. 5、Multiple uses, clip the lightweight and durable safety light to the pet's collar, or use it as a safety buckle, keychain, find tent cords and camping equipment, and can also be connected to people to improve visibility. Item Type: Pet LED Pendant Material: Plastic Color: As Pictures Shown Product Size: Approx. 5.5x3x2cm/2.2x1.2x0.8in Weight: Approx. 17g/0.6ozBattery type: Lithium metal battery (1xCR2032 button battery) Voltage: 3V Battery capacity: 210mAh The pet collar light has 3 flashing modes. Press once to keep a stable light, press twice to flash quickly, and flash slowly for the third time. You can use different flashing modes on different situations, such as Use stable light when walking at night, flashes quickly at party. 1 x Pet LED Pendant