HIOKI 3481-20 Voltage Detector (600 V)

Measeurement function: voltage detection
Operating voltage range: 40 V to 600 V AC
Operating frequency: 50 Hz/ 60 Hz
Pilot light: Red LED lights up and the buzzer sounds when the wire is live
Battery check: White LED is dim or out when the batteries are low.
Auto power off: The power will be turned off automatically if the instrument remains idle for 3 minutes after the power is turned on.
Power supply: LR44 button alkaline batteries ×3, Continuous use: 5 hr (Power ON standby state)
Dimension: 20 mm W× 126 mm H× 15 mm D
Weight: 30 g (including LR44 button alkaline batteries)
Accessories: Instruction manual ×1, LR44 button alkaline batteries ×3 (for trial purposes only)

Datasheet