Stylish, waterproof, simple, generous and compact design With a hook, it can be hung on the collar for easy wearing Lightweight waterproof clip light is the perfect warning sign and provides good protection for your dog when playing outdoors in the dark Pendant lamp, lighting method: always bright and flashing, can be selected according to needs Protect your dog at night and wear a lightweight pendant so your pet stands out at night and doesn't get lost Material: Acrylonitrile Butadiene Styrene (ABS) color: blue Product size: about 5.7 x 3.5 x 2.5 cm Lighting mode: fast flash, always on, always off Working voltage: 6V Battery capacity: 20mAh LED light power: 0.06 W Lighting time: fast flash: 150 hours, constant flash: 100 hours Batteries: 2 x 2032 coin cells (not included) Package weight: about 35 grams Scope of supply: 1 pet pendant lamp notes: Please allow slight errors due to manual measurement Different display colors may vary slightly. Thank you for your understanding