/25/12 Wireless Sensor Tag System Spence Size and Weight Height: 0.89 inch (22 mm) Width: 2.15 inch (55 mm) Depth: 1.88 Inch (48 mm) Weight: adapter fae Supported Wireless Sensor Tags . Motlon/Temperature sensor tags (available) Current/Temperature sensor tags (under development) Human-presence/ Temperature sensor tags (under development) . Indicate Lights Error light. Flashes when trying to configure itself to & connect to the Internet (when acquiring IP address through DHCP).