Generator Ammeter Digital Multifunction Meter Test AC Voltage Frequency Current Power 85 - 265V Function: 1. Measurement parameters: GV24 MKII is a product improving the gv24 digital display counter. Lightweight module used to measure and display AC voltage, frequency, current, current running time and accumulated running time2. Perfect replacement: It can replace the traditional instrument with pointer and realize universal one meter3. Fireproof ABS: Made of flame retardant and high temperature resistant ABS material, safe and durable4. Safety protection: installation of the back panel to the IP54 protection level, possess small error, reliable5. Excellent performance: made of excellent workmanship, have compact appearance and stable performance, can ensure durability and stability Specification: Item type: generator ammeter Model: GV24 MKIIN Product voltage: 85-265V Protection level: IP54 Parameter display: AC voltage V, frequency Hz, current A, Kw power, COS power factor, cumulative operating time H, measurement range and accuracy Power: le error; 3%, within the range of COS power factor: 0-1, le error; 1% Cumulative working time: 0.0-9999 hours, minimum measurement time 0.1H Mounting holes (WxH): approx. 63 x 63mm / 2.48 x 2.48in Package list: 1 x meter 1 x user manual 2 x mounting screw How to use: Install and use directly.