Fully prevent overcharge
Battery: 18650
Using high-quality chips and configuration algorithms
It can be used continuously for more than 1 hour after charging for 40 minutes
no need for APP
KONNWEI KW890 2 in 1 Car OBD2 Fault Detector + Maintenance Light Reseter LED Accessories Fully prevent overcharge1. Size: 20x10x3. 5cm 2. Weight: 780g 3. Voltage: DC 12V 4. Screen display: 2. 8 inches color LCD screen 5. Combo: OBD2 Engine Scan, OBD1 Engine Scan, O2 Sensor Test, EVAP System Monitor, Battery Voltage Test, Troubleshooter Code Prompt, MIL Off, Live Data Streaming, Boot Test, Charge Test, Voltage Waveform, Oil Reset 6. Application: 12V OBD2 & 1 car, light truck, sedan, SUV 7. Main functions: read and clear fault codes, read real time sensor data,