Features: Alarm loudness: 110db(close-range test data), can effectively inform others and warn the thief, to protect the security. Remote control distance: about 80m remote control distance, can realize one-click car search and remote control when you are far. Standby life: Under normal charge, can be used for more than 15 days and standby for 30 days. Not only standby for a long time, but also used for USB charging. Installation method: no wiring, back adhesive sticker, and a fixed port in the body, to achieve concealed installation. Will not be damaged by thread trimming. Built-in battery: 500mAh polymer battery, about 2 ~ 3 hours charging time, convenient to use. Alarm time: the first vibration induction, trigger the alarm for 2 seconds, the second vibration within 2 ~12 seconds, alarm for 30 seconds. Cycling in this way, alarm will stop without vibration. No disturbing design: the perfect matching between alarm time and numbers of vibration, effectively prevents false alarm. Five-level adjustable sensitivity, suitable for more different scenarios, to receive vibration induction Accurately. Specification: Material: ABS plastic Color: As picture shown Alarm Loudness: 110db (close-range test data) Remote Control Distance: about 80m Sensor Type: Vibrating Sensor Power Supply: A built-in 500mAh polymer battery, USB Rechargeable Standby Life: 30 days under normal charge Installation Method: no wiring, concealed installation Package Included: 1 * Remote Control (With Three Built-in Button Batteries) 1 * Vibration Alarm (With a Built-in Rechargeable Polymer Battery) 1 * USB Cable 2 * Black Binding Lines 1 * Rubber Pad 2 * Mounting Screws 1、Alarm loudness: 110db(close-range test data), can effectively inform others and warn the thief, to protect the security. 2、Remote control distance: about 80m remote control distance, can realize one-click car search and remote control when you are far. 3、Standby life: Under normal charge, can be used for more than 15 days and standby for 30 days. Not only standby for a long time, but also used for USB charging. 4、Installation method: no wiring, back adhesive sticker, and a fixed port in the body, to achieve concealed installation. Will not be damaged by thread trimming. 5、Built-in battery: 500mAh polymer battery, about 2 ~ 3 hours charging time, convenient to use.