Brand Name: ANENG Origin: Mainland China High-concerned chemical: none Wireless Support: No Is Batteries Included: no External Testing Certification: NONE Material: / Hardware Version: / Item Length: 13.9 Use: Not Telecommunication Certification: CE Item Type: Battery Testers Display Size: Others Software Version: / Display Resolution: / Item Width: 6.3 Model Name: rt01 Item Height: 2.7 Item Weight: 180 Voltage: / Software Update: no Electronic: No Power (W): / Product Model: RT01 Relay Detector Applicable pins: 5 pins/4 pins Battery detection: 11V~ 25V voltage Applicable coil resistance: ≥20Ohm Use power: Connect car battery power supply Digital display bright screen: Yes Alligator clip length: 42cm/16.54inch Alligator clip opening size: 2.1cm/0.82inch Choice: yes