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 Weight72g/2.53oz Package List 1 * Watt Meter About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.