Smart Biometric Fingerprint Lock Electronic Keyless Password Security Door Lock

Multiple unlocking methods, fingerprint, anti-peep virtual password, Bluetooth APP, physical key (including 2pcs). Low battery alarm on for TT Lock app, with emergency power interface and backup key. When the power is critically low or the battery is completely exhausted, you can use the key to open the door, and the micro USB power bank also can be a temporary power supply. Product model: M4 Product size: 145*65 mm Collector: Semiconductor acquisition module Material: zinc alloy Function: fingerprint + key Power supply: 1.5v 4 AAA batteries Fingerprint capacity: 30 groups Working temperature: -20° ~55 Recognition speed: 0.5s Package List: 1 x Front Handle 1 x Rear Handle 1 x Lock Tongue 1 x Gusset 1 x Buckle Box 2 x Key 1 x Square Bar 3 x Two-in-One Screw 1 x Reversing Screw 3 x Front and Rear Panel Pair Lock Screws 4 x Self Tapping Screws 1 x Screwdriver 2 x Screws (Battery Box Cover Screw) 1 x Instruction TurboTech.co Guarantee: We truly believe that we offer some of the most innovative and inspirational products in the world, and we want to make sure we back it up with a risk-free ironclad 30-day guarantee. If you don't have a positive experience for ANY reason, contact us and we will make sure that ALL your concerns are addressed and you leave 100% satisfied and smiling We have 24/7 Ticket and Email Support. Please contact us via e-mail or our contact form if you need assistance we're here for you. 4 GREAT REASONS TO BUY FROM US AND 4 GREAT FACTS ABOUT US... 4700+ Happy Customers Free Secured Shipping (Worldwide) Perfect Gift Ideas Guaranteed Safe Checkout Shipping Policy : All orders are shipped directly from Our Fulfillment center. The time it will take to arrive depends on the production time and availability of the products. Most orders are processed within 24 hours.