• 2MP CMOS camera • Mechanical button • Night vision & voice indicator • PoE • 160° angle of view • Compatible with VTH5222CH-S1 and VTNS1006A-2 • Group call • Power supply by 2-wire • Aluminium alloy plate • IK07, IP65 (Apply silica gel to gaps between the device and the wall. Liquid sodium silicate is recommended. For details, see the quick start guide.) • Surface mounted and flush mounted