Zvsay Wireless Dog Fence Training Collar 2 Dogs 850ft Shock Vibration Beep

Brand: Dlevakve wireless dog fence and training collar system (box label also references zvsay). Type: 2 in 1 wireless dog fence and remote dog training collar system designed for use with up to two dogs out of the box. Mode 1 Dog Training Collar: trains your dog using beep sound warning plus 0–9 levels of vibration and 0–9 levels of static shock. Mode 2 Wireless Dog Fence: 16 adjustable fence levels with range from about 20 to 850 feet, increasing roughly 53 feet per level, using a 2.4GHz signal source for stable coverage up to approximately 800 feet radius. Features: Waterproof receivers suitable for splash, rainy days, bathing, and swimming; adjustable reflective fabric collars; digital controller with display and buttons for mode, channel, power, and intensity; system supports training up to three dogs when an extra collar is added. Power and battery: DC 5V input with built‑in 3.7V 400mAh rechargeable lithium batteries; LED light flashes when battery is low; approximately 2 hours needed for a full charge (per package). Approximate dimensions (per package diagram): controller about 4.33 x 3.15 inches; receiver units about 2.56 x 1.57 x 1.5 inches. Included in box: controller/transmitter, two waterproof receiver units, two adjustable reflective fabric collars, two USB charging cables, four silicone caps assembled on the receivers, one test tool, user manual, and original retail box; label states new, made in China.