Innotek Lap Dog Training System SD-70 Collar Receiver Water-proof microline receiver - smallest on the market today! Uses 2 common 3-volt lithium batteries Measures 1 1/8" high x 2 1/8" long x 3/4" deep Receiver weighs 1.3oz Nylon strap Range 200 ft. Optional close-set contact probes for smaller neck sizes Tapered styling and external strap – eye pleasing for consumers and neighbors Compact six-button transmitter Options for GOOD and BAD tone-only training – no stimulation required Fully adjustable nylon buckle collar strap Introduction to Dog Training DVD FREE Professional Training Support |