Features Micro Voltage Transformer: Equipped with accurate miniature voltage transformer, this module has the ability to accurately sampling and correctly compensate signals. Sine Wave Output: This is a ZMPT101B Voltage Transformer Module Single Phase Connector Active Output Voltage Sensor Module. The output signal is a sine wave, and the median value (DC component) of the waveform is 1/2 VCC. High-precision Configuration: Equipped with ZMPT101B series high-precision voltage transformer and high-precision operational amplifier circuits, it can easily realize 250V AC power signal acquisition. Exquisite Craftsmanship: The voltage transformer module is made of exquisite craftsmanship, has a compact appearance and stable performance, and has durability and stability. Measurement within 250V AC Voltage: This module can measure the AC voltage within 250V, and can be adjusted according to the quantity of the output. Specification: Item Type: Voltage Transformer Module Power Supply Voltage: 5~30V Motherboard Size: Approx. 50 x 20mm / 1.97 x 0.79in Package List: 1 x Voltage Transformer Module Package List 1 x Voltage Transformer Module