Features:

-Specially design for bicycle electromobile security， virbration alarm

-Wireless remote control to arm or disarm.

-Compact， wireless， easy to install.

-Low power consumption， lasting one year. Free to change batteries frequently.

-Powered by 2 pieces of AAA alkaline batteries. (Batteries are not included in the pack.)

-Low power remind with LED indicator

-Super loud alarm of 105dB， scare thief away

-Can easily mount to windows or doors with included double sides adhesive tape， no tools required.

-Door bell function， reminding people in house open door for you.

Specifications:

Alarm size: 85 * 43 * 15mm / 3.3 * 1.6 * 0.6in

Alarm volume: 105 dB

Host Battery: ?2 * AAA alkaline battery operation (not included)

Remote control battery: 1*27A12V ( included )

Remote Control Distance: about 30M without barrier

Battery life: more than 1 year

Working temperature: -10 ~ 50°C

Working humidity: !#!lt!*!90%

Storage temperature: -20°C ~ 60°C

Material: ABS

Package Details:

1 * Receiving host

1?* Remote control

Remote control button explain:

Arm:??? ? ??Press when you go out， the host goes into work mode after 10 seconds

Disarm:? ??Press when you come in， the host will immediately terminate the alarm state

SOS:??? ? ?The host will alarm after press.

Doorbell:? Reminding people in house open door for you， eapecially old age people.