Voltage:5VSpecial Features:Time TPMS Material Type:ABS Item Weight:0.3kg Item Height:5cm Item Width:14cm Item Length:16cm External Testing Certification:ce Model Name:Clock Solar TPMS Origin:Mainland China Item Type:Alarm Systems & Security Feature 01:Tpms sensor Feature 02:Tire pressure sensors Feature 03:tire pressure control Feature 04:tyre pressure monitoring system tpms Feature 05:Clock TPMS Feature 06:Solar Powered TPMS Clock TPMS Car Tire Pressure Alarm Monitor System Wireless Solar Intelligent Smart Tyre Pressure Sensor Car Security TPMS receiver: -Battery: 400mAh (built-in) -Working voltage: DC 5V -RF transmission frequency: 433.92MHz -Pressure unit: psi / bar -Temperature unit: Deg.C / Deg.F. -Working temperature: -20~85 -Storage temperature: -40 ~125 Internal sensor: -Working pressure: 0-51 psi / 0-3.5 bar -Pressure accuracy: 0.1BAR -Transmission frequency: 433.92MHz -Working temperature: -20~85 -Storage temperature: -40~125 -Working voltage: 2.0-3.6V -Waterproof rating: IP67 -Battery: Built-in CR24500 button battery (not replaceable) External sensor: -Working pressure: 0-51 psi / 0-3.5 bar -Pressure accuracy: +/- 0.1BARi -Working frequency: 433.92MHz -Working voltage: 2.0-3.6V -Waterproof: IP67 -Working temperature: -40~85 -Storage temperature: -40~125 -Battery: Built-in CR1632 120mAh button battery (replaceable) Packing size: 16*14*5cm