I2C C09 Waveform Ammeter Package 2 (Waveform Meter + Voltage + Charger Test + Expansion Board)

Features: -0~40V Dual-channel voltage and current testing -4.0-inch IPS high-definition high-brightness display -Three display modes: pointer, curve, and digital -Millisecond-level instantaneous dynamic voltage measurement -Ultra-high-speed diode scanning measurement -140W full-protocol charging power testing -0-24V positive/negative voltage measurement function -Supports online upgrades and PC screen projection functionality