DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer

The bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer is a useful tool for monitoring and measuring current and voltage levels. It has received generally positive reviews from customers who have used it for various applications. One customer mentioned using it to monitor the output of their solar panels and stated that it worked perfectly for this purpose. Another customer installed it on the negative battery terminal of their car and found it useful for measuring the amperage during startup. However, they noted that after the car starts, it doesn't show much amperage unless a load is turned on. This customer also mentioned using it to track charging issues. There were a couple of negative reviews regarding accuracy. One customer reported that after 12 hours of use, the voltage readings started to read double, and they were unsure if the amp readings were still accurate. Another customer mentioned that they found it to be a limited use testing device but acknowledged that it seemed to be quite accurate. Overall, the bayite DC 5-120V 400A Mini Digital Current Voltage Amp Meter Gauge with Hall Effect Sensor Transformer appears to be a reliable tool with accurate measurements for various applications. However, there may be some limitations in its functionality and longevity.