Double temperature compensation. Tamper output: (NC) 10mA, 24VDC. Range: 15 x 18 meters (installed) or 11x 12 meters (included). Power: 8V to 11V at the terminals pooling loop. Self-test for PIR, microwave and temperature compensation functions. Dimensions: 12.5 cm x 7.5 cm x 4.3 cm. Selectable pet immunity. Digital signal processing. Zone input for tamper contact. SMB-10T. Front and wall tamper. EN50131-2-2: 2008 Certificate Grade 2 Environmental Class II.