Smart Home Door Bell - Wireless Doorbell Waterproof

specialized in producing high-quality wireless doorbells, we sell wireless doorbells have passed CE and RoHS certification. We are an honest brand and we have 6 months warranty or replacement commitment.   Main Features: 1. Button is Waterproof ,Don't worry about extended use 2. 3-Year Battery Life 3. Up to 500ft Ultra-long Transmission Distance 4. Easy to install with the double side adhesive tape or the screws.   IP55 Dustproof and Waterproof Works between -4 °F to 140 °F; withstands various harsh weather conditions   Ultra Long Operating Range Operating range up to 500ft / 150m in open area, ensures you to hear and answer the doorbell in time. You will never miss a visitor even if you are a few rooms away or on another floor   High Performance Transmitter Ultra-low power consumption; uses a CR2032 lithium battery that boasts 3-year maximum lifespan F15 , Press To Trigger , IP55 Waterproof Rating F52 , Touch To Trigger , IP66 Waterproof Rating 32 Ringtones