Sell 110db Siren Alarm Lock Security Anti-Theft Padlock Door best price

Features Combines locking function with alarming function Built-in movement triggered alarm, which can emit loud sound when the lock is hit or shaken Adopts MCU core procedures, high-tech integrated circuit and digital sensor chip Can be set to two states: mechanical lock and alarm Low false alarm rate. Low power consumption that can use for a long time Description Can be applied on door, window, bicycle, container, motor bike, tricycle, pull gate, garden, etc. Corrosion resistant, waterproof and durable to use. Powered by six button batteries Supplied with three keys, convenient to use Specifications Head Dia.: 17mmm Wire length: approx. 43cm Light color: Xenon White LED life: 5-100000 hours Material: High Quality Aluminum Shell Color: Black Specifications Color: Black Material: Zinc alloy Alarm decibel: 110dB Lock size: 7 3.3 9.8cm/ 2.7 1.3 3.8in Package includes 1 Alarm lock 3 * Keys Note:When you place the shackle with groove into lock near key port, then the lock comes into alarming state. When the shackle with groove is placed away from key port, the lock is just in the mechanical lock state.