SONOFF SNZB-01P Zigbee Wireless Switch Two-Way Control eWeLink Control Smart Home Work With Alexa Google Home Description: ModelSNZB-01P Casing materialPC Wireless connectionzigBee (IEEE 802.15.4) Net weight27.8g Battery modelCR2477 Product dimension45x45x17.7mm Working temperature-10°C~60°C\ Specifications: 1.SONOFF SNZB-01P is a small Zigbee wireless smart switch that can even fit in your pocket, with preset actions for single press, double press, and long press to control multiple devices. 2.Compared with SNZB-01, SNZB-01P has improved design and performance. With a larger button area, 5 years battery life, external pairing button, the battery is easier to install and replace. 3.SNZB-01P can be placed wherever your need, or stick with 3M Adhesive and a metal plate on a flat surface anywhere, then create a smart scene, like turning off all devices with one lick. Two-way control is even available for you to turn on/off the light from two locations. 4.Besides, The SNZB-01P can also be used as a doorbell when connected to the NSPanel Pro, you will be notified when visitors press the wireless switch.