Features: 100% brand new and high quality Bluetooth-compatible 5.0 wireless low-power transmission, super strong signal is not interfered. Intelligent voice, abnormal warning, and accurate monitoring of tire pressure and temperature data. Portable installation, long-lasting battery life, beautiful appearance. Real-time monitoring keeps you and your car away from risks. The mobile app displays the tire temperature and pressure on one screen, so you can travel with peace of mind. Package Includes: 2 Wheels: 2x Sensors, 1 Set Removal Tool, 1x Manual or 4 Wheels: 4x Sensors, 1 Set Removal Tool, 1x Manual Specifications: Material:Plastic+Metal Size:Approx.16x3x10cm/6.29x1.18x3.93inches Color:As Picture Shown Style:2pcs for Motorbike/4pcs for Car Product style: external sensor Product specifications: 2 rounds, 4 rounds Detection range: 0-8.0 Bar Display range: 0-6.5bar Working voltage: 3V Working current: 100A Standby current: 2.2A Bluetooth-compatible working frequency: 2.4GHz Bluetooth-compatible transmit power: 0dBm MAX Waiting time: 5s Display mode: mobile APP Waterproof rating: IP67 Working humidity: up to 95% Tire pressure detection range: 100-1300kPa Tire pressure detection accuracy: 10kPa Tire temperature detection accuracy: 3 Working temperature: -30~+80 (external sensor) Storage temperature: -30~+85 (external sensor) Product battery: replaceable 140mAh CR1632 (external sensor) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.