Model: NSB-808 - Working voltage: 12V - Quiescent current: 5mA (max) - Frequency: 315 +/-0.4MHz - Remote control range: 80~150m - Remote controller functions: power on / power off / positioning the motorcycle - Alarm level: 125dBm - Supports USB flash drive & SD card up to 8GB - Supports MP3 format music - Speaker power: 10W x 2 - Each speaker built-in 10-LED lights flash with the alarm level (red / yellow / blue / green / white) - Light cable length: 144cm - Alarm cable length: 46cm - Package includes: - 1 x Host machine - 2 x Speaker with colorful light - 1 x Alarm speaker - 2 x Remote controller (1 x 27A/12V battery included)