Wireless Doorbell,Waterproof Doorbell Chime Operating at 1300 Feet Loud Door Bel
HIGH-PERFORMANCE TRANSMITTER: Ultra-low power consumption; the bell button operates 12V 23A batteries, which have up to a 3-year lifespan. IP55 dust and water protection level, operates in temperatures between -30 °C to 70 °C ensure it can withstand the harshest weather conditions.