USA 
Ultrasonic Multi-Room Indoor Bark Control 2-Pack
Product Description
- Automatically deters barking by emitting a high-pitched ultrasonic tone
- Ultrasonic tone inaudible to most humans
- Best for single dog homes
- Freestanding table-top or adhesive mountable backs
- Range up to 25ft
- Microphone detects barking to prevent false corrections
- Water resistant
- For indoor use only
- Requires two 3V CR-2032 batteries (included)
- Low battery level indicator
- Dimensions: 2.75H x 1.75W x 1.25D