China RFID lock supplier: RFID digital lock for Lockers, ABS plastic material, three level system for user administration, no external devices. Features - Support almost Mifare one solutions in the area of 13.65MHz. - Compatible with already existing Mifare one system. - Three level system for user administration. - Up to 100 users per lock. - Quick and easy operation. - No external programming devices needed. - LED in 2 colors for lock status(green, red). - Application for metal, wooden and plastic doors. Technical Data Dimensions 79.8X59.8X55.6mm Material ABS Input Voltage DC4.5V Battery 3 X AAA alkaline batteries Service life 10,000 locking cycles Static Power ≤100uA Dynamic Power ≤170mA Max Reading Range 7±2mm Undervoltage alarm 3.5V Use condition Temperature: -15℃~65℃ Humidity: 5%~95%