Product information : Pattern :Geometry Color: D101-1 blue, D101-1 green, D101-1 grey, D101-1 orange, D101-2 blue, D101-2 green, D101-2 grey, D101-2 orange, D100-1 red, D100 -1 Black, D100-1 Orange, D100-2 Red, D100-2 Orange, D100-2 Black, 880-1, 880-2, 880-3, DT11-1 White, DT11-1 Camo, DM Bark Stopper Blue, DM bark stop black Input: 100-240V, 50/60Hz Output: 5V, 0.5A Transmitter battery voltage: 3.7V Receiver waterproof rating: IP67 Battery type: Lithium-ion battery Function Description: Three training modes: buzzer, shock 1-16 gears, vibration 1-8 gears, (adjustable) Two training channels: train 2 more dogs, train 2 dogs at the same time, keyboard, Advantages of PM101: Automatic sleep mode: automatically enter power saving mode after working for 2 minutes. Wake-up mode: Press any key on the remote control to turn on. Remote control: 1000 feet Suitable for: dogs of all sizes (15 lb~100 lb) and 1.2-25kg PM101 Warm Reminder: - After receiving the product, please charge it first. --You should try to vibrate your pet before using vibrate mode on your pet Check the contact area daily for signs of a rash or sore. Size Information: D101-1: 17.3*11.2*4.9CM D101-2: 17.4*17.2*5. 1CM Packing list: 1 x Remote Transmitter, 1 x Receiver Collar, 1 x Adjustable Collar, 1 x Test Light, 1 x USB Charging Cable, 4 x Electrodes, 4 x Conductive Silicone, 1 x Detailed User Manual