The handheld controller features intuitive, 3-button design with improved false-correction prevention (dog select lock) and easy-to-read LCD display. The system gives you 18 levels of continuous stimulation and 18 levels of momentary stimulation plus tone and vibration, in 3 correction configurations, and the ability to set the device to train 1, 2 or 3 dogs from up to ½ mile away (with purchase of additional dog devices). Handheld Physical and Performance: BarkLimiter: no. Autorise bark correction mode: no. Battery: rechargeable lithium-ion (included). Water rating: IPX7. Floats: yes. Handheld Features: Correction levels: 18. Momentary/continuous correction: yes. Vibration correction: yes. Tone correction: yes. Training configurations: 3 Includes: Delta XC handheld, Lanyard, USB cable, AC adapter, and Manual.Features: