Resistance tester for heater wire with charging function1. With reverse connection protection, short circuit protection, low voltage and low resistance protection.<br> 2. Mini test box design, easy to store and carry, simple application.<br> 3. LED display, high precision, can provide you with accurate resistance value.<br> 4. With the function of burning wire, testing the resistance value of heating wire, strong anti-interference ability.<br> 5. Can be powered by 18650 battery (not included), and Micro-USB charging interface, convenient to charge the battery.<br> Test range: 0.01-9.99<br> Burning range: 0.1 above<br> Standby power consumption: Less than 10A<br> Working power supply: 18650 battery 3.7V (delivery does not include)<br> Function: test the resistance value of the heating wire and burning wire, with charging function, with screen display<br> Size: 80x60x2.5mm<br> Colour:Black<br> Material:plastic+metal<br> Package Contents:<br> 1 * Resistance Tester<br> Only the above package content, other products are not included.<br> 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.