Features: IP65 waterproof, allowing you to drive in the rain. Accurately monitor tire preure all the way. High precision LCD screen with time display. High volume alarm sound warning. Long receiving distance, stable signal. Specification: Receiver: Working temperature: -20~+80 Storage temperature: -30~+85 Power-on voltage: DC 5V Frequency: 433.92MHz20.00MHz Sensor: Working temperature: -20~+80 Storage temperature: -30~+85 Preure range: 0~6.6bar Preure precision: +/-0.1bar Temperature accurancy: +/-3 Transmitting power: Frequency: 433.92MHz20.00MHz Bracket installation instructions: Unscrew the 2 screws, put on your motorcycle/electric bike/bicycle and tighten; Place the mounting head of the bracket toward the position you need, and confirm that the bracket is firm; Install the tire preure receiver on the bracket, tighten it and then lock it; use the ball head to rotate the tuning knob to move the joint to adjust the appropriate angle. Package Included: 1 X Receiver 1 X USB Cable 1 X Bracket 2 X Sensors 1 Set X Parts