Features: 113dB supper loud alarm.Once triggered, super loud alert will be a great deterrence, can effectively scare thieves away. IP55 waterproof:With strong durable PC housing, it is waterproof and dust-proof, very suitable for outdoor use. Compact with creative designsmall size design is easy to carry. Adjustable sensitivity 7 Level adjustable sensitivity from gently touches to push or beat. Using three-dimensional displacement sensors and special algorithms, more accurate catch the theft, reduce noise interference and other false trigger. SOS Function: SOS Emergency Help Function, The alarm will automatically alarm for calling help when your bicycle tilts more than 45 degrees. (SOS function is off in default mode.) 6 kinds bell sound can operate by remote control, You can change the ringtone according to your needseasy to find the vehicles position. It is widely used on bicyle/ e-bike/ motorcycles/ self baslancing scooter, door and winodow. Easy install:Two install method: paste with double-sided sticker or tie it with strap.Can be installed under the bicycle seat or other places that are not easy to see. DIY pairing:One alarm could be controlled by at most 8 remote controlfind your car with one click. 3*AAA Batteries for power supply, life lasts for 6-10 months. Battery Low Indicate (Longer stanby time). How to pair remote control with alarm? 1) Press and hold the learn button(It is also door bell button) don't release the button. 2) Next, load the battery into the alarm, you could hear the sound "bi", please also don't release the learn button as the step 1).Within 10s, you could hear sound "bi" again, which means the alarm is in learn mode 3) Then release the learn button and press any one of other three button once, you can hear sound "bi bi", which means the pair is successful. Super Loud Burglar Alarm113db super loud alarm, will be a great deterrence. 7 level adjustable sensitivity. Using three-dimensional displacement sensors and special algorithms. A loud alarm will sound when touched, effectively scaring off the hateful thief. Widely applicableThe vibrationaly triggered alarm suitable for bicycle, car, motorcycle, electric bike, electric scooter and so on. You can also use for doors and windows.Perfect to protect your shop, office, home or anywhere requiring protection. Let you enjoy a safe and comfortable life Multifunctional Security Alarm:PC material shell, IP55 waterproof and dustproof,can use for outdoor; SOS emergency help, sound SOS remind for help when the accident happens;6 tones loud siren sound selectable, remote control distance up to 20m,quickly find your bike from a distance;3*AAA Batteries for Power Supply (Included),low energy and long work time, life lasts for 6-10 months. Easy Operation & Installation:High quality wireless remote control vibration security alarm,65mm*45mm, compact with creative design. Small size design is easy to carry,easy to install and use.One-key find vehicle.Two install methods, paste it with double-sided sticker or tie it with straps.Can be mounted on bicycle, motorcycle, car or other devices stably and firmly. 365 DAYS REPLACEMENT GUARANTEE - Our Bicycle Alarm are of good quality and durable.Our aim is customer first.If it doesn't meet your expectations, just contact us at once.We will provide you with a solution to your satisfaction.