220V AC 22mm round LED digital display voltmeter ammeter current monitor indicator light signal lamp ammeter tester measurement tool Features: Small, exquisite workmanship, clear display, accurate reading, simple and convenient to use. Specifications: Voltage: 60-500VAC Power: 0.5W Light source type: AC Installation size: 22mm/0.87" Electrical life: 500,000 times Mechanical life: 1 million times Relative humidity: less than 98% Ambient temperature: -25~+65 Size: 5*2cm/1.97*0.79" Material: Plastic Color: Red/Green/Yellow/White/Blue Notes: 1. Due to the different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you! 2. Please allow slight deviation in measurement due to manual measurement. Package Contents: 1 x Red