Z-301B is a light sensor switch based on ZigBee Wireless Communication Technology , it can send out on/off control signal according to the light intensity around. It can be bound with the devices in ZigBee network and control the on/off for other devices. Besides, Z-301B can work with dimmer device and dim the light according to the light intensity around. Z- 301B has the merits of easy installation and low power consumption, it does not need any wiring and is equipped with the newest energy saving technology. A cell battery can last for one year. Z-301B has excellent compatibility that meets IEEE 802.15.4 ZigBee HA Profile. It is suitable for any network in ZigBee HA protocol