Specifications: This product is measured by LCD digital power, no reset button, to avoid human tampering with the data. It has the characteristics of convenient meter reading, high reliability, small size, light weight, beautiful appearance, advanced technology, and standard guide rail installation. Made of high quality flame retardant plastic, it has good anti-electromagnetic interference, low power consumption, high precision, high stability and long life. Item Name: Electric Energy Meter Material: Flame Retardant Plastic Model: DDM75S Type: 1 : 10(40)A, 2 : 15(60)A, 3 : 20(80)A, 4 : 30(100)A, 5 : 5(100)A Voltage Specification: 220VAC Frequency: 50/60Hz Reference Current: 10(40)A/15(60A)/20(80A)/30(100A)/5(100A) Insulation Performance: AC Voltage 4KV, 1 Minute, Waveform Impulse Voltage 6KV 1.2/50us Display Mode: (5+1) Digital Display Installation Method: Din-rail Installation Features: Digital Display, Easy Installation, Durable Size: 7.5cm x 6.8cm x 8.8cm/2.95" x 2.68" x 3.46" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. This model does not have the reset function. Package Includes: 1 x Electric Energy Meter