1. Test conditions of connecting wire:
Conductor resistance ≤ 1 Ω (excluding defibrillation circuit resistance)
Insulation resistance: wire to wire, wire to shield, ≥ 20m Ω DC 500V
Dielectric withstand voltage: line to line, ac1500v, 50Hz, 0.25ma,
Wire and enclosure, dc5000v, 50Hz, 0.25ma.
2. Plugging cycle ≥ 5000cycle
3. Environmental conditions:
Operating temperature: + 5 ℃ ~ 40 ℃
Storage conditions after packaging: temperature: - 20 ℃ ~ 55 ℃, 
Atmospheric pressure: 70kpa ~ 106kpa
5. Product composition: meet ROHS environmental protection requirement