1、DISPLAY PARAMETER: This energy meter can display total power, current, voltage, power factor, frequency, CTC, and can accurately measure active energy. 2、7 DIGIT LCD SCREEN: The electricity meter adopts 7 digit LCD screen, clear and intuitive, the meter address, baud rate, constant, and check digit can be modified. 3、EASY INSTALLATION: Adopts 3 phase 4 wire connection, 35mm DIN rail mounting, up to level 1 accuracy, with stable structure and reliable performance. 4、OTHER FUNCTIONS: This multimeter has a pulse constant of 400imp/1600imp, over 20 years of data storage, with RS485 remote meter reading function. 5、GOOD PROTECTION: The electric energy meter shell is made of excellent plastic, with good toughness, impact resistance, IP65 waterproof grade, and few faults.