9723-400 - AC Phase and Voltage Controller
- Non-contact phase sequence detection, high and low voltage, cable discrimination
- Low battery indicator
- Automatic shutdown
- Lens
- Power supply: 2 x 1.5 V AAA batteries
- Dimensions: 157 x 27 x 23 mm
- Weight: 32g
- Cable separation
- Green light: neutral wire
- Red light: Wire with power
