If you are looking for a reliable and sturdy lock for your home or office drawer use, this product will be a wise choice for you. This is a fingerprint lock which is made of for the long use. Selected material with nice durability has the . Features -Color:Silver -Material: ABS -Size: About 8X3.2X3cm/3.14X1.26X1.18in - The lock is made of material, which is durable and practical for the use. - Intelligent fingerprint lock structure, which is reliable and convenient to use. - Selected material, not easy to deform or break. - Features the simple structure, easy to install. - Perfect for home, office drawer use. Specification Resolution: 508DPI Fingerprint input: 20 Working temperature: -20 degree centigrade~+70 degree centigrade Working Humidity: 40%RH-85%RH( ) :<1% FAR:<0.0001% Recognition time: &lt;300ms Charging current: 5V/1000MA Unlock working current: 100MA No motor working current: 3MA Standby current: 35UA Antistatic grade: +/-12kV air, +/-8kV contact Battery: 3.7V 210mAh Unlock: Fingerprint unlocks Motor: N20 motor USB interface: Micro USB 5V 0.5A (emergency + charging) Package list: 1 x drawer lock