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Reference : SUPI-R4000D

 

To ensure quality, starting from the core: In order to ensure that each paperless recorder can be long-term stable operation, we carefully selected materials, the use of cortex-M3 chip Security, to avoid accidents: wiring terminals and power wiring are used to protect the back cover to protect the equipment is not damaged due to wiring. Silicone buttons, long life: Silicone buttons to carry out 2 million tests confirmed its long service life.