Highly sensitive response signal, fast and accurate measurement. Built-in -capacity lithium battery power supply, continuous work without isolation transformer, to use. The 2.4-inch high-resolution display allows you to read clearly even under strong light. Simple interface, clear operation, 6 keys to handle all operations, simple and easy to use. Small body, simple shape, easy to use at any time to meet your daily handheld measurement. Product model: -TC3 Display: 2.4 inches TFT color screen, LED backlight Power supply voltage: Built-in 1500mAh rechargeable lithium battery Charging specification: USB Type-C, +5V Product volume: 79 x 103 x 31mm Material: ABS Color: blue Package Contents: 1 x -TC3 Tester 1 x Adapter 1 x P6100 High Voltage Probe 1 x Type-C Charging Cable 3 x Test Hooks 1 x Common Probe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.