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• Steelmate TP-74B 4 Sensors Wireless DIY TPMS Tire Pressure Monitor System with LCD Display
• 100% DIY installation.
• LED cigarette plug transceiver.
• Individual tire data showed.
• Wireless transmission, no wires connection is needed.
• Real time monitoring.

Tire Pressure Monitoring System is a wireless RF sensing device designed to measure the tire pressure and temperature, and LCD can display tire pressure data. Once installed in your vehicle, the system will automatically monitor tires in rear-time for pressure and temperature. When any tire's pressure or temperature appear abnormal, the system wil, in rear-time, transmit signals to activate an alarm to warn the driver of tire problem. TPMS can help you to avoid tire accidents due to tire failure, to reduce the fule consumption and to extend the tire life.Features:100% DIY installation.LED cigarette plug transceiver.Individual tire data showed.Wireless transmission, no wires connection is needed.Real time monitoring.Visual and audible alarm.Fast / slow leakage alarm.High / low pressure alarm. High temperature alarm.General:Brand: SteelmateModel: TP-74BPressure unit: Bar Package size: 15 * 12 * 6cm / 6 * 4.7 * 2.4in  Package weight: 265g / 9.3oz  Specifications:Valve-cap sensor:Operating frequency: 433.92MHz ± 0.05MHzOperating voltage: 2.0 ~ 3.3VOperating temp.: -20℃～+60℃Pressure range: 0-3.5BarBattery model: CR1632Battery voltage: 1.8V ~ 3VBattery Life: ≥2yearsDisplay:Operating frequency: 433.92±0.05MHzOperating voltage: 12V±3VOperating temperature: -20℃ ~ 70℃Default warning value:High pressure value: 3.3BarLow pressure value: 1.7BarHigh temperature value: 80℃Package List:1 * Display4 * Valve-cap sensors1 * Set of Accessory1 * Manual