TY17 TY18 Solar Car TPMS with Clock Auto Tire Preure Tyre Temperature Monitoring Alarm SystemSpecification:Model: TY17 (internal sensor), TY18 (external sensor) (Optional)TPMS receiverBattery: Built-in 400mAh lithium ion batteryWorking voltage: DC 5VRF transmiion frequency: 433.92MHzPreure unit: psi / barTemperature unit: Deg.C / Deg.FWorking temperature: -20~ +85 degrees CelsiusStorage temperature: -40~ +125 degrees CelsiusMaterial: plasticColour: BlackChip: for InfineonSize: 97*31mm/3.82*1.22"Installation methods: 1, place on the dashboard; 2, stick on the windshieldExternal sensor (Optional)Working preure: 0-51 psi / 0-3.5 barPreure accuracy: +/- 0.1BARiWorking frequency: 433.92MHzWorking voltage: 2.0-3.6VWaterproof: IP67Working temperature: minus 40-plus 85 degrees CelsiusStorage temperature: minus 40-plus 125 degrees CelsiusBattery: Built-in CR1632 120mAh button batteryBattery life: 1-2 years (replaceable battery)Internal sensor (Optional)Working preure: 0-51 psi / 0-3.5 barPreure accuracy: 0.1barTransmiion frequency: 433.92MHzWorking temperature: -20~ +85 degrees CelsiusStorage temperature: -40~ +125 degrees CelsiusWorking voltage: 2.0-3.6VWaterproof rating: IP67Battery: Built-in CR24500 button batteryBattery life: 2-5 years (not replaceable, the sensor needs to be replaced when the battery is dead)Note:1. There may be slight size deviations due to manual measurement, different measuring methods and tools.2. The picture may not reflect the actual color of the item because of different pographing light, angle and display monitor. 1 X Monitor4 X External Sensors (Optional)4 X Anti-Theft Nuts (Optional)1 X Wrench (Optional)4 X Built-In Sensors (Optional)1 X USB Cable1 X Manual [relateproductdetail/]