DUN SMART DOORBELL shield meter intelligent cat's eye DUN intelligent cat's eye is a modern and simple style design of intelligent security products. Different from other cat's eye products on the market, DUN Smart Cat's Eye uses black and white-based color matching. Whether it is a traditional style wooden door or a modern simple style wooden door, DUN Smart Cat's Eye can be adapted. In the design of external modules, the function is classified and integrated again, the monitoring function is visually weakened, and the doorbell function is highlighted. In the internal module, we have added an optional external charging treasure module to avoid the trouble of charging without sockets beside some users' homes. Although it is a technological product, it can be easily used by adults, the elderly and children.