Identical to PP3132 but the unit has passed a special electrical inspection by QPS(Laboratory equivalent to CSA). A requirement of some institutions. Our Nicest and most Powerful (100mA) EMS unit. The EMS 7500 is the unit to win your customer's business. EMS 7500 features include, Dual Channel, 3 modes, Timer, Patient Compliance Meter, New Stronger 100 mA output, safety amplitude cover, sturdy metal belt clip, rubber side railings for maximum handling and a premium silver finish. • 3 Modes: Synchronous, Constant, Alternate • Pulse Width: 50~300 hs, Adjustable • Pulse Rate: 2~120 Hz, Adjustable • Pulse Amplitude: 100mA peak into 500 ohm load • Voltage: 0-50V (Load: 500 ohm) • Ramp: 1~8 s • Contraction Time (On Time): 0~90 seconds • Relaxation Time (On Time): 2~90 seconds • Wave Form: Asymmetric biphasic square pulse • Timer: 1~60 mins. or continuous. Final count down indicator: during final 5 mins., the clock symbol will flash in one sec. • Patient Compliance Meter: Memorize 60 sets of operation records. Total recorded time is 999 hours. • System Includes: Stimulator, Lead Wires, 4 Self-Stick High Quality Premium Electrodes, 9V Battery, Hard Plastic Carrying Case, Instruction Booklet