Features: Super quality smart electronic induction lock, high sensitivity and high efficiency. Made of premium alloy and PC material, rust-resistant and durable. Can be installed on file cabinet, wardrobe, ABS cabinet, steel cabinet and plastic cabinet etc. Widely used in school, hotel, home, sauna, shower room and etc. Three unlocking modes for option: Single card unlock, double card unlock and one-time unlock. With low voltage alarm function when the voltage is lower than 4.8V. Can also be turned on more than 100 times since the first low pressure alarm. Specification: Condition: Brand New Material: Alloy and PC Optional color: Golden or Silver Electronic type: Induction card Data storage: Persistent storage Power Supply: 4 pcs 2A 1.5V alkaline batteries(Not included) Lifespan of battery: 8 months and up Working temperature: -30℃-and80℃ Working humidity: 95 percent RH Size: Panel: Approx. 11.5x5.5x2.3cm or 4.53x2.17x0.91inch Lock catch: Approx. 6x4.2x1.1 cm or 2.36x1.65x0.43 inch Lock cylinder: Approx. 12.7x6.3x2.2cm or 5.0x2.48x0.87 inch How to operate: 1. Initialization and unlocking modes Single card unlock: Press the initialization button and release your hand till you hear the the sound of ''di'' Double card unlock: Press the same button again till you hear the sound of ''di-di'' One-time unlock: Press the button again till you hear the sound of ''di-di-di'' These three modes can be switched cyclically and you can reset the corresponding mode according different needs. 2. Configure the Management Card Method: If the management card is brushed successfully under the condition that the initialization is set, it's the management card. 3. Single card unlock: The management card contact reading head, such as the success of the reading card, the lock issued a sound (' beep '), the motor rotation, the door opened (lock tongue retract lock core), and the blue light flashes 6 times to indicate that the lock is in an increased state, this period of time can be configured to open the door card, the card contact reading head, That is, the first open door card configuration is successful, you can continuously configure the door card, can be configured up to 10 sheets. If it is not configured successfully within 6 times of blue light flashing, you need to re-read the management card to configure the door card. 4. Dual Card Configuration Method: The management card is exposed to the reading head, such as the successful reading card, the lock makes a sound (''beep'') the motor rotates, the door opens (the lock tongue retracts the lock Core), and the blue light flashes within 6 times indicates that the lock is in an increased state, this time brush the first card for the guest card (the guest card has and only one ... Have been successfully set up as a waiter card. (Note: Dual-card mode waiter card and guest card with the use can play the role of opening the door, credit card regardless of the order) 5. Clear all settings: After continuously inducing 5 times with the management card, please be cautious. 6.One-tome unlock: Read card lock, read card unlock function please contact the manufacturer Tips: tip: In the installation of this lock, the screws of the battery cover must be selected from the factory standard, otherwise the resulting electronic lock does not work is not in the maintenance range. In addition, please take good care of the management card you have set up to protect the user's private storage space. Package List: 1 x Sensor Panel (Battery not included) 1 x Lock cylinder 1 x Lo