Package dimensions: 11.7 x 9.3 x 5.4 cm; 190 grams Color: Black Item Count: 1 Key Features - Uses only audible sound to deter unwanted barking. - Detects barking sound up to 50 feet away. - Durable ABS material, mini size and waterproof. - Quick charge in 5 hours, work for 30 days. Clear light indication - Standby: blue flash 1 time every 6 sec. - On: keep red c3 dry with sound sound. - Low battery: flashes red continuously. - Charging: red light means charging, blue light means full. Does not apply to below - Noisy environment. - Deaf dogs. - Aggressive or violent dogs. - Two or more dogs together. - Dogs under 6 months or over 8 years old. Mode 3 for Effective Range -Mode 1 (Short Distance Monitoring): Up to 15ft -Mode 2 (Medium Distance Monitoring): Up to 30ft -Mode 3 (Long Distance Monitoring): Up to 50 Feet Package Included - 1 x Sonic Anti Bark - 2 x Mounting Screws and Anchors - 1 x User Manual - 1 x USB Dongle Kindly Remind - The sonic penetration range is 50ft, but the best effect is within 33 feet and the smaller the range, the better the effect. - Every dog has a different learning speed, please allow your dog to adapt for up to 2 weeks. - Please face the sensor in the direction of barking. - Please DO NOT use it during the charging time.