Auxiliary Tires - The car wheel balancer is fast, efficient, and easy to use. It assists in accurately positioning the counterweight during tire balancing. Convenient and practical design. Accurate Display - Effectively and accurately displays the position of the counterweight. Infrared technology ensures precise positioning when activated. Auxiliary Lighting - Equipped with an auxiliary lighting function to enhance visibility, making operation more professional and efficient. Optical Principle - Calculates optical distance using the time from infrared emission to reception, providing the straight-line distance from the infrared head to the target point. Simple to Use - Enables automatic measurement of various tire parameters. Accurate measurements with simple operation. Description: After the infrared is activated, it effectively and accurately displays the counterweight position. Features an auxiliary lighting function for improved operational efficiency. Calculates optical distance based on infrared emission to reception time, determining the straight-line distance from the infrared head to the target point. Supports automatic measurement of multiple tire parameters with high accuracy and ease of use. Battery: 18650 lithium battery 1200mAh 3.7V Current: 10mA (infrared), 50mA (infrared + LED) Charging time: 2.5 hours Infrared wavelength: 650nm (red) Working temperature: -35°C to 65°C Fully charged usage time: Up to 800 cycles Color: Black Material: Metal + Plastic Package Contents: 1 x Car Wheel Balancer Note: Other items not included. Note: Light reflection and display differences may cause slight color variations between image and actual item. Measurement error allowance: +/- 1-3 cm.