F-color via Amazon offer its F-color Waterproof Dog Training Collar Kit for $46.99. Coupon code "9UBBBIZ7" cuts it to $36.99. With free shipping, that's a buck under our mention from two weeks ago, $23 off, and the lowest price we've seen. The kit includes two receivers, two adjustable collars, a transmitter with LED-backlit LCD, and dog training manual. Each IP65 waterproof receiver features silicone contact points, a 2,600-foot range, four working modes (vibration, shock, tone, and light), LED nightlight, and rechargeable LiPo battery. Deal ends October 29.