door lock

1.Electric Locks - RD-228 Brief InstructionRD-228 type intelligence electromotor Lock, a new kind of electronic lock specially designed for door-closing system and building talk-back system, adopting CPU automatic control, is equipped with the lock of automatic detection, no noise for open, and automatically lock when close the door. It owns multi-kind of lock ways such as electric control, button, knob and key, and comes out with the sound hint when opens or close, it will automatically retracts if the lock tongue isn??t in the right position after closing the door, and alarm the user to close the door well by mooing. The lock is equipped with the lock tongue of picklock prevention, which is featured with long life, low power waste, good safety capability etc.Electric Locks- RD-228 Technical ParameterWorking Voltage??12VDC~18VDC Deadbolt extend length??20mmWorking Current????300mA Working Type??6-18VDC/ACStatic Current????50mA Distance of Magnetic induction????10mmWorking temperature??--20-60 Service Life ??500,000 timesRelative humidity??10%-90% Specification??128??98??46mmUnlock delay time??3-99Seconds Distance of remote control with infrared????3MDistance of card read????50mm Distance of remote control with wireless????50mmType of reading card??ID?

door lock