Feature: THREE RANGE MODES: The dog tennis ball launcher has three range modes, 3 m/9,8 feet, 6 m/19,7 feet and 9 m/29,5 feet. One-button control, adjust do different sizes of indoor and outdoor spaces. LARGE 2200MAH BATTERY: The automatic dog ball launcher is equipped with a large 2200mAh battery, which can work for about 5-6 hours after full charge (depending on the actual time). WITH 3 MINI TENNIS BALLS: The dog tennis ball launcher contains 3 mini tennis balls (5 cm/2,0 inch diameter). Use other similar sized balls. Try not to get dirty ani do not get wet, which will affect performance. INTERACTIVE DOG TOY: Throwing animal balls strengthens the bond between dogs and humans by introducing a fun new phrase do of the well-known catching game. PLASTIC MATERIAL PREMIUM: The interactive automatic dog ball launcher is made of do long-term use and can be played indoors and outdoors. Specification: Item Type: Automatic Dog Ball Launcher Material: plastic Battery type: Lithium battery (supplied with built-in battery) Battery capacity: 2200 mAh List of packages: 1 x Dog Automatic Ball Launcher 3 x Tennis Balls 1 x Charging Cable 1 x English manual Note: ⭕ Only one ball can be placed at a time ⭕ Fully charge the machine before first use. ⭕ Press the on and off button at the bottom to turn on the power. ⭕ Make sure that no one is in front of the motion sensor. ⭕ Press the button to select the distance. ⭕ Place the ball in the launcher, the sensor will detect the ball input and automatically shoot the ball.