CYBERNOVA Smart Wireless 2.4GHz WiFi PIR Motion Detection Sensor Price: $26.79 (as of 01/10/2022 22:59 PST- Details) & FREE Shipping. Details

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Battery: CR123A x 1 Sensitivity distance:7m Sensitive angle: 110° Standby current:20uA Wireless Type:2.4GHz
Protocol:IEEE 802.11b/g/n Wifi distance:45m ;2.4GHz wifi one-key connect easy setup do not need home gateway, you can easily achieve the intelligent control of home appliaces, simple operation, easy to use 2.4GHZ protocol is more stable, faster and more convenient