... security system since 1997,and CE,FCC,ISO9001 approved. LD007 MAIN FEATURES: 1,Remote lock/unlock with DIRECTION LIGHT FLASH.2,Central door lock ... 1.5A 5. Short current 4.5A6. Current with load 2.5A 7. Short current time ≥30S8. Operating distance/stroke 20 ... and provides 24h quality after sales service for customers. Remote central door locking system with light flash