HZC Electric S902M-ZG Zigbee Motion PIR Occupancy Sensor Bought for a project and was never installed, only used for testing and evaluation purposes. Decent quality basic motion sensor, features motion alert / clear as well as tamper. Sensor has mounting plate to allow for easy future battery changes and it takes standard AAA batteries (not included). Using Zigbee IAS Cluster so should work with most Zigbee controllers using any "generic" Zigbee motion / pir sensor device driver. Using your favourite search engine, please check compatibility with your Zigbee controller and system prior to purchase! See my other eBay items at https://www.ebay.co.uk/usr/verenceasafool for more Smart Home devices and gadgets. Photos are of actual item - you will receive exactly what is shown in the photos, nothing more, nothing less. Please ensure that you are happy with this description and the photos of the item, if anything is unclear feel free to ask before purchasing. Priced now for a quick sale so grab a bargain!