FeaturesReversed back 180° press, there is no "beep" sound indicator, ordinary mode is open. This mode will not sound an alarm.Combine the lock function with the alarm function to achieve a complete anti-theft, Protect your wealth against loss.Made of high quality aluminum alloy, it is waterproof and built to longer service life. Suitable for most doors, sliding doors, windows, etc.Has a built-in siren that triggers an alarm that emits up to 110 decibels of loud sound when locked or shaken.Can be set in two states, alarm mode and normal mode. High sensitivity and low false alarm rate.low power consumption.Specifications:Material:aluminiumColor: As ShownSize:9.5x13cmGarantía del vendedor: 7 días