Features 1. Bidirectional System: When the host alarm is triggered, the remote control will vibrate and sound within the receiving range, providing timely alerts to help prevent losses. 2. Multiple Functions: This sensitive motorcycle two-way alarm system includes remote control start, turn off, double flash, vehicle search, sensitivity adjustment, and other functions. 3. Security Purpose: High-quality motorcycle two-way alarm system designed for anti-theft and anti-robbery protection, helping to secure your motorbike. 4. Mute Mode: The host can be set to mute mode, and the remote control also features a mute option, reducing the risk of accidental activation and unnecessary noise, offering smarter operation. 5. Reliable Performance: The remote control features an LCD display for long-distance operation, compact and portable design for convenient use. Specification Item Type: Motorcycle Two-Way Alarm System Material: ABS Quiescent Current: 3.5mA Remote Control Effective Distance: Approx. 150m / 164yd Alarm Sound Level: 125dB Operating Temperature Range: -15 to 80 4-Button Key Battery Type: Built-in 1 x CR2032 200mAh button battery 5-Button Key Battery Type: 1 x AAA battery (not included) Application: Universal Package List 1 x Host 1 x Speaker 2 x Key 1 x Manual 1 x Gasket 1 x Harness