Features:Single card (customer) or two cards (customer and employee) to open the door.Automatic pop-up function: When the door is opened with a card, the lock will automatically pop open.Low-voltage alarm function: If the power is less than 4.8V, locking sound and light turns on when the door is opened with a card. Please replace the battery in this case.Can be connected with external power supply: When the lock is powered off, you can use an external power supply to unlock the door.In particular case, an emergency switch can be used to unlock the door.Strap style card: waterproof, high temperature resistant, anti-corrosion, easy to carry, safe and durable.Alarm function: When the door is illegally opened, the lock will issue a warning.Stable performance, widely applicable to sauna clubs, health clubs, pedicure spas, large water parks, spa hotels, golf clubs and ski resorts, factories, schools and other places.Specifications:Condition: Brand NewColor: Gold + blackPanel and Handle Material: PlasticDynamic Power: Dynamic current <150mA (W)Static Power Cnsumption: <8uA(W)Battery Life: 2000 hoursWorking Voltage: 6 VPower Type: 4 AA batteries (excluded)Size: Shown as pictureSuitable Door Thickness: Approx.5-30mmPackage Weight: Approx.227g/8.0ozPackage List:1 * Panel1 * Lock Body1 * Lock Catch1 * Induction Card1 * Screw Pack1 * Opening Hole DrawingFeatures:Single card (customer) or two cards (customer and employee) to open the door. Automatic pop-up function: When the door is opened with a card, the lock will automatically pop open. Low-voltage alarm function: If the power is less than 4.8V, locking sound and light turns on when the door is opened with a card. Please replace the battery in this case. Can be connected with external power supply: When the lock is powered off, you can use an external power supply to unlock the door. In particular case, an emergency switch can be used to unlock the door. Strap style card: waterproof, high temperature resistant, anti-corrosion, easy to carry, safe and durable. Alarm function: When the door is illegally opened, the lock will issue a warning. Stable performance, widely applicable to sauna clubs, health clubs, pedicure spas, large water parks, spa hotels, golf clubs and ski resorts, factories, schools and other places. Specifications:Condition: Brand NewColor: Gold + blackPanel and Handle Material: PlasticDynamic Power: Dynamic current <150mA (W)Static Power Cnsumption: <8uA(W)Battery Life: 2000 hoursWorking Voltage: 6 VPower Type: 4 AA batteries (excluded)Size: Shown as pictureSuitable Door Thickness: Approx.5-30mmPackage Weight: Approx.227g/8.0ozPackage List:1 * Panel1 * Lock Body1 * Lock Catch1 * Induction Card1 * Screw Pack1 * Opening Hole Drawing.