1. High voltage electronic shock to kill rats, nonpoisonous, safe and reliable. 2. Power supply: 6V , 4pcs C battery (not including) or adaptor (not included) 3. High voltage: >5000V 4. High voltage produced time: 2 minutes. 5. Low battery indicator: 4.8Vï¼?/ï¼?0.2V. 6. New battery can be supplied for electronic shock 20-30 times. 7. This device suitable for dining-rooms, kitchens, bedrooms, offices, hotels, and any other places those rats usually appear.