MESMART Smart Wi-Fi Entry Sensor Door Window Open/Closed Contact Sensor Real-time App Notification for Home Security Garage Office Burglar Alert No Hub Required …

MESMART, the professional designer and producer for home automation system and all the related smart items. Aims to create a more comfortable and convenient life for people all over the world. “Control Everything in Your Hand”, that’s the eternal theme of MESMART R & D team, and will keep struggling to make it come true. The Smart Door&Window Sensor designed with Wi-Fi connection (No hub required), APP notification will be sent once it detect open/close activity, record all the detection history and check it via APP directly. Variety used on door, window, garage door, drawer, closet, etc. Protect privacy and ensure household security. Features: Brand: MESMART Connection Protocol: WiFi Wireless Standard: IEEE 802.15.4 / IEEE 802.11b/g/n 2.4GHz Only support 2.4GHz WiFi Signal Operating Humidity: 0%~95%RH Powered by 2x AAA batteries (Not include in package) APP notification will be sent once it detect open/close activity Energy saving design, set energy saving mode if you do not need the WiFi function Color: White Main Part Size: 6.4*3.3*2.1cm/2.52”*1.3”*0.83” Magnetic Part Size: 6.4*1.6*2.1cm/2.52”*0.63”*0.83” Simple but elegant design, great decoration Easy installation, strong sticky Package Content: 1x WiFi Smart Door&Window Sensor 1x Sticky Tape 1x English User Guide