Cambond via Amazon offers its Cambond Waterproof Dog Training Collar Kit for $52.99. Coupon code "UL9LMI78" cuts it to $30.99. With free shipping, that's $22 off list and the lowest price we could find. It includes two receivers, two adjustable collars, transmitter with LED-backlit LCD, and dog training manual. Each IP65 waterproof receiver features rubber contact points, a 1,500-foot range, three working modes (vibration, shock, tone), LED nightlight, and rechargeable LiPo battery. Deal ends January 14.