| Function | 
Voltage Detection (for 200V Installations) | 
| Operating Voltage | 
90 to 600V AC | 
| Operating Frequency | 
50/60Hz | 
| Voltage Indication | 
Red Flashing LED and Beeping Buzzer | 
| Battery State Indication | 
Green LED at Power ON | 
| Auto Power Off | 
3 minutes after last power ON | 
| Power Supply | 
LR44 Button Alkaline Batteries × 2 | 
| Continuous Use | 
Maximum 15 hours (when voltage detector is turned ON to standby) | 
| Dimensions | 
Approx. 20W × 126H × 15Dmm (excluding protrusions) | 
| Mass | 
Approx. 25 g (including batteries) | 
| Accessories | 
LR44 Alkaline Button Batteries × 2 (for test use only - must be replaced) and user manual |