RF Card Key Programmed Electronic Locker Locks USB Encoder With Handle

RF Card Key Programmed Electronic Locker Locks USB Encoder With Handle Specification: 1. Single card or double card can be set to open door. 2. Power Supply:AA battery * 4 3. Low Voltage Warning:4.8V 4. Battery Life:≥15 Month 5. Backup Power Supply Connector(Audio Type) 6. Door open automatically,door handle is not necessary 7. Use mechanical device to open door for emergency situation 8. Gear running with safety and reliable 9. Watch shape card,waterproof, 10. Lock Open:Card