1. Ternary lithium battery L Measurement: L03 S to L07 S (power failure memory). 2. Acid battery P Measurement: DC12V, DC24V (power failure memory). 3. LiFePO4 battery F Measurement: F03 S to F08 S (power failure memory). 4. Customized setting of high and low voltage range: DC8-30V. 5. Various battery types, customized high and low voltage settings, low voltage alarm, backlight time setting. Voltage detection range DC8-30V, working current Less than 15mA, precise and sensitive detection. Wide range of applications: suitable for high and low power distribution cabinets, assembly line testing, electronic maintenance, DIY and other fields. Parameter: Voltage detection range: DC 8-30V Working current: Less than 15mA Display mode: LCD screen Detection accuracy: ±1% Refresh rate: 500ma/time USB output: QC2.0, QC3.0, maximum output 18W (5V-3.4A, 9V-2A, 12V-1.5A) Type-C output: QC2.0, QC3.0, max output 18W (5V-3.1A, 7V-2.4A, 9V-2A, 12V-1.5A) Installation size:58.5x36.5mm Appearance size:61x40x22mm Display color:C:Green Light Colour:As Shown Material:Plastic Package Contents: 1 * Power indicator 1 * Wiring 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.