APC AP9619U, Environmental monitoring, APC management of UPSs protecting servers, 0 - 95%, 0 - 45 °C, 4.75 x 4.25 x 1.5" (120.7 x 108 x 38.1 mm), 4.94 oz (140 g) APC AP9619U. Sensor type: Environmental monitoring, Compatibility: APC management of UPSs protecting servers. Dimensions (WxDxH): 4.75 x 4.25 x 1.5" (120.7 x 108 x 38.1 mm), Weight: 4.94 oz (140 g)