| Benefits |
| Hermetical design enable itself waterproof and dustproof |
| Passed Germany TUV tests, and comply with related international standards |
| Beautiful external appearance, easy installation, suitable for most brand elevators |
| Faults tolerance feature, automatically shield the faulted diodes and remind the users |
| Applying reliable MCU microchip, reasonable design and stable performance |
| CPU dipulse synchronization, achieving better EMC/EMI performance |
| Advanced technics and equipments, reliable SMT surface padding techniques |
| Applying appropriate cables and connection-pegs enable them have long working life |
