Dual Channel Tens Unit Pro-Tens W/Timer
Tens Kits includes: Tens Unit reusable electrodes (PK/4) lead wires instruction booklet and hard carry case with handle * TENS 200 features: Mode selector: B (Burst) N (Normal) and M (Modulation) * PRO-TENS features: Mode selectro: B (Burst) N (Normal) and M (Modulation) with a Timer * Dual isolated channels two leads per channel * Pulse amplitude (constant current) * Adjustable 0 - 80 mA 500 Ohm load * Pulse frequency: Adjustable 2 - 150 Hz * Pulse width (micro seconds): Adjustable 60 - 250 * Wave form: A symmetrical Bi-Phase square pulse * Uses 1ea - 9 Volt battery included Shipping Carton Size: 12 L x 10 W x 6 H