Feature: 1. TECHNICAL PARAMETERS: AC power meter voltage measuring range is AC 50‑300V, current measuring range is 0‑100A, active power range is 0‑30000W, electric power range is 0‑19999kWh. The frequency is 50Hz/60Hz 2. AUTOMATIC STORAGE AND MEMORY FUNCTION: In case of power failure, the energy data of the electricity meter will be stored and memorized and can be reset 3. POWER CONSUMPTION MONITOR: Monitors are a killer of high cost energy devices that can help you reduce power consumption and save cost 4. CLEAR DISPLAY: Digital energy meter has clear screen, easy for you to observe, rail installation, very convenient 5. EXCELLENT PERFORMANCE: Digital energy meter is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification: Item Type: Digital Energy Meter Product Measurement Voltage Range: AC50~300V Product Starting Voltage: 50V Product Measurement Accuracy: ±1% Product Measurement Current Range: 0~100A Product Starting Current: 0.02A Product Measurement Accuracy: ±1% Product Display Format: <10A Display As: 9.99A; <100A Display As: 99.9A Active Power: Product Measurement Range: 0~30kW Product Starting Power: 0.5W Product Measurement Accuracy: ±1% Electricity: Product Measurement Range: 0~1999kwh Product overflow is retained unless manually cleared Product Measurement Accuracy: ±1%. Package List: 1 x Electricity Meter1 x Quick Connection Wire