-Type A- Specification: Color: Black Size: 90 x 80 x 385mm Material: ABS (Acrylonitrile Butadiene Styrene) Working Frequency: 400 Hz - 1000 Hz Battery: 1.2V/300mAh rechargeable battery (included) Solar panel: 2V/60mA Function: 1. Solar powered ultrasound -Mole repellent 2. It is a good choice and pest control device to keep rodents away from your garden or lawn 3. Fully solar powered 4. Eco-friendly, safe and easy to use < 5. Generates an ultrasonic sound underground at 30-second intervals over an area of around 600 square meters to drive them away. -Type B- Specifications: Color: Green 14-1/3’‘H Power supply: 4 rechargeable NiCD ‘‘AA’’ batteries < br/> Power Consumption: Standby = 0.8mah, Operation = 15mah Ultrasonic Frequency: 18- 40kHz Coverage Area: 30ft @ 1100 = 2,425 sqft Features: 1 Motion-activated animal repeller uses solar energy. 2. The animal repellent uses ultrasonic waves. -Type C- Specification: Name: Solar Ultrasonic Pest Repeller Model: B96643 Material: PP plastic