It is a low power consumption smart Door Bell with human infrared sensor , monitor and record Human abnormal activity outside your door - Keep your home safer by additional security . Small Body , can be arbitrary position paste, tool free installation, plug and play.
Working Temperature : -10℃-+40℃
Working Humidity ：0-90%RH ,Non-condensing
Battery Model No. :CR2450
Battery life more than 1 years (Standard environment)
Network ： 2.4G （Zigbee）
Connection distance > 30m (Standard environment)
Human motion detection ：<1.5m