Check the listing for details. 12V 24V Electrical Circuit Tester System Detection Probe Diagnostic Tool BT250. Condition: New. Listed at 39.99 USD. AUTOOL BT250 Description: AUTOOL BT250 electric circuit tester is suitable for diagnostic in all 6V to 30V vehicle electrical systems. With a simple hook-up of the tool to the vehicle's battery, AC voltage detection, DC voltage detection, Resistance Detection, Diode Test, and Current overload protection will be available to test. 1.5M Power CableWith a length of 1.5m, it can cover the entire engine compartment,enabling easy inspection of the car's electrical system. DC Voltage Detection Mode It can detect the voltage value of the circuit under test. AC Voltage Detection Mode It detect the maximum and minimum voltage, supply frequency, and duty cycle of the circuit under test. Resistance Detection Mode This detect the resistance value between the probe of the circuit under test and the auxiliary ground wire. Diode Test Mode Quickly test the working state of the diode component, and determine whether it is continuity or not. LED LightTo enable users to successfully complete circuit testing even in a dark environment. Current Overloaded ProtectionWhen the current is overloaded, the machine will automatically disconnect to protect the circuit to reduce unnecessary losses. Multi-Language OptionsSupports multiple languages:Including English, Russian, German,Spanish, French, Italian, Portuguese. Specification: Display: TFT color display (160 x 128 dpi)Operating Temperature: 0 to 60°C (32 to 140 F°)Storage Temperature: -40 to 70°C (-40 to 185 F°)External Power: 12.0 or 24.0 V vehicle batteryPower Cable:1.5mItem Size:253 x 42mm x 32mm Package Included:1x Circuit Tester1x User Manual1x Battery Clamp adaptor1x Battery Clamp1x Probe Tip1x 1.5m extension cable On Nov 30, 2022 at 23:02:13 PST, seller added the following information: