... since 1997,and CE,FCC,ISO9001 approved. LD007 MAIN FEATURES: 1,Remote lock/unlock with DIRECTION LIGHT FLASH.2,Central door ... lock automatically.3,Long distance remote cotroller up to 120 meter. ... . Voltage DC12V3. Operate life ≥100,000times 4. Current without load 1.5A 5. Short current 4.5A6. Current with load 2 ...