* Material: ABS Plastic

* Item size: Size: 15.3 x 2.5 x 1.5 cm

* Safety Rating : CAT II 1000V

* Voltage Sensitivity: 90~1000V AC (never test the voltage which is more than 1000AC)

* Operating Temperature : -10??C ~ 50??C

* Storage temperature: -10??C ~ 50??C

* Frequency Range: 50 to 500 Hz

* Test Voltage Range: 90-1000V AC

* Power by: 2 x 1.5V AAA batteries

* Net weight: 45g