Avantek Wireless Doorbell
The Avantek Wireless Doorbell is an IP55 waterproof and dustproof doorbell that can withstand different harsh weather conditions. It uses very low power consumption as it is equipped with an inbuilt 230 mAh CR2032 lithium-ion replaceable battery that runs for around three years. The wireless range it detects is about 1312 feet or 400 meters. …