Unlocking ways: App+Code +RFID Card+Mechanical key
panel size: 310*76*22.5
Material: 304 stainless steel.
Five latch American Standard mortise.
Support USB external power supply.
Work volate: 4.5-6V
Power supply: 4 pcs AA battery.
Weight: 2.8 KG.
Door thickness requirement: 35mm - 55mm.