... ; 2.Frequency:315M,433Mhz; 3.ce,rohs Universal door lock with remote control YET070 This product is the wireless remote ... so on low power loss. Features:The wireless remote control with small size, beautiful exterior , Sound wave resonator (SAW) ... used in various anti-theft alarms, security systems, Remote controlling devices,Motor-driven curtain, roller blind door, garage / gate barriers, motorcycle, ...