The wireless dog training device is the latest type, which through 4 types of stimulation - electrical, light and vibration and sound is great for dog training as well as getting rid of bad habits. 4 types of stimulation: Electro stimulation - which has 99 levels of force that are very easily adapted Light - has a lamp on the remote control itself and thus attracting the dog's attention Vibration - through the vibration of the necklace itself Sound - sound stimulation It is easy to use and has a wide range of stimuli for quality training. The transmitter and the receiver are filled. Main features: * Absolutely waterproof: The receiver has excellent waterproof performance so that your pet can swim or sit in the rain while using it * Adjustable stimulation levels - Electroot and vibration have adjustable levels from 1 to 99, allowing you to choose the optimal level for your pet to start training * 4 Training Modes: Shock / Vibration / Sound / Light * Blue light in the background - allows use at night * Long range - can be used up to 850 meters distance (without interference) * 3 channels - allows simultaneous control 3 receiver * Automatic Energy Saving - Automatic Preparedness and Memorial of Functions * Adjustable - for a dog of any size, up to 67 cm Specifications: Input: 100 - 240 V, 50 /60 Hz Output: 5V, 0.5A Transmitter battery voltage: 3.7V Level of waterproofing of the receiver: IP68 Battery Type: Li-ion Battery (built-in) Transmitter Charging Time: 2 Hours Charging time of the receiver: 2 hours The Standing Time of the receiver: about a week