No installation DIY model, no damage to original car circuit,

Can put in anyplace in the car to enable the alarm function,

Built-in air pressure detection to check door open alarm,

Built-in shock sensor to check car move alarm,

The outside 120dB wireless siren can alarm together, the alarm information is sent to siren by wireless,

The 2 way LCD remote control will alarm together with the car lock,

Remote control & alarm distance is about 1000m (Air distance without any block),

New design & Big display LCD remote control,

Key lock function to protect pressing keyboard by mistake,

Carrier modulation: FM - FM technology,

Bright LED alarm indicator,

Two-way Remote Control uses one AAA 1.5V Alkaline battery (due to shipping control, please buy it at your local market)

Built-in air pressure detection to check door open alarm and shock sensor for car movement.