Wireless TPMS Motorcycle Tire Pressure Monitoring System with 2 External Sensors Digital Display 1.5" LCD Feature: IP65 waterproof, allowing you to ride in the rain. Large capacity built-in metal lithium battery. Accurately monitor your tire pressure all the way. Highly precise LCD screen with time display. High volume alarm sound warning. Long receiving distance, stable signal. Specification: Receiver Operating temperature: -20 ℃ ~ + 80 ℃ Storage temperature: -30 ℃ ~ + 85 ℃ Supply voltage: DC 5V Frequency: 433.92MHz ± 20.00MHz Sensor Operating temperature: -20 ℃ ~ + 80 ℃ Storage temperature: -30 ℃ ~ + 85 ℃ Pressure range: 0 ~ 6.6 bar Pressure accuracy: +/- 0.1 bar Temperature accuracy: +/- 3 ℃ Transmit power: 10dB Frequency: 433.92MHz ± 20.00MHz holder Installation instructions: 1. Unscrew the 2 screws, install the motorcycle/electric bike/bike and tighten; 2. Place the bracket mounting head in the position you need and confirm that the bracket is firm; Install the tire pressure receiver on the bracket, tighten it and then lock it; Use the ball head to rotate the tuning knob to move the connector to adjust the appropriate angle. Delivery includes: 1 X Receiver 1 X USB Cable 1 X Bracket 2 X Sensors 1 Set X Parts