The instrument provides isolated auxiliary power(regularly 5V/20mA) which allows 1~4 load cells connection directly. Features: With high accuracy, stable performance and easy operation. Dual LED display for clear reading. Includes 1~4 load cells signal input. Work with various pressure sensor and weight sensor. Suitable for weighing instrument. Specifications: Material: ABS Display: LED Display Power Supply: 110V/220V AC Auxiliary Power: 5V DC Accuracy: 0.2%F.S±2dgt Power Consumption: ≤5VA Sampling Rate: ≤16 times/second Input: Regular: mV(Load Cell), 1~4 Load Cells Analog Output: none Relay: none Item Size: 9.5 * 8.6 * 4.8cm / 3.74 * 3.39 * 1.89in Item Weight: 238g / 8.40oz Package Size: 11 * 10.1 * 5.5cm / 4.33 * 3.98 * 2.17in Package Weight: 275g / 9.70oz Packing List: 1 * Weighing Meter 2 * Brackets 1 * User Manual (English)