Features： 1、Digital LCD displays provide clear and clear readings. 2、Intermittent processing of up to 100 amps of current and 50 amps of continuous service. 3、Connecting the end of the charge to the battery provides real-time battery level readings. 4、Drive from 0 to 60 volts. It is suitable for 12, 24, 36 and 48 volt battery systems. 5、Rugged and durable, it can handle 50 A continuous and 100 A peak A 60V. Specification： Features： Digital LCD displays provide clear and clear readings. Intermittent processing of up to 100 amps of current and 50 amps of continuous service. Connecting the end of the charge to the battery provides real-time battery level readings. Drive from 0 to 60 volts. It is suitable for 12, 24, 36 and 48 volt battery systems. Rugged and durable, it can handle 50 A continuous and 100 A peak A 60V. Specifications： Color: Blue Voltage: (0)V-4V-60V 0.01V (Resolution). Current: 0-100 A peak 0.01A (Resolution). Power: 0-6554 W 0.1W (Resolution). Charge: 0-65 Ah 0.001Ah (Resolution). Energy: 0-6554 wh 0.1 Wh (Resolution). Measurement Update Period: 400mS. Signal Sampling Rate: sample/s. Data Queue Sequence time: 2 seconds. In Circuit Resistance: 0.001 Ohms. Operation Current: 7 mA. Auxiliary Power Voltage: 4.0V - 60V Size:8.2 * 5 * 2.3cm / 3.22 * 1.96 * 0.90in Weight：72g/2.53oz Package List： 1 * Watt Meter Package List： 1 * Watt Meter