Nina Ottosson Dog Treat Maze scarecrow Rechargeable Lithium Batteries: for Collar Rechargeable Lithium Batteries: for Collar Receiver and Remote Transmitter Water Capabilities: Water Resistant Collar Receiver after the rubber cover Range: 1500ft wide range: train your dog in the park or backyard Tone Vibration Options: 100 Levels of Vibration and 1 Level of Standard Tone Power saving design: with Automatic Standby and Memory Function Light Mode: assist seeing dog in low light conditions Easy to operate and ergonomic Transmitter LCD Display: featuring a Blue Back Light for nighttime usage Quick and straightforward pairing process Used Friendly: Built in Auto Sleep Modes Love Care For Puppy:The maximum output current is 0 Protects transmitter from power surges caused by lightning strikes Size :Large The Nina Ottosson Treat Maze is a brightly coloured fun interactive treat dispenser that is great for occupying and stimulating dogs of all ages and sizes Great for occupying and stimulating