Product features: 5-layer structured three-dimensional mask, KN95 specification 0.3 micron particle filter> = 95%. The nose clip is externally attached to the face for easy wearing.
More and more people are looking for the 5mp usb camera module, and the AR0521 sensor is very popular in the current market. Sincere First have the ready-made 5mp usb camera module with AR0521 sensor, module size is 38mm to 38mm. There are four hollow hol
(1) The material drying temperature is controlled at 75-80 ℃(2) Air humidity ≥80% is not suitable for the production of ABC dry powder fire extinguishing agent(3) Executive standard: GB4066.2-2004
Smart Wifi Doorbell Cameras don’t just help you keep an eye on your home’s most vulnerable point of entry. They also help you track deliveries, watch what’s happening on your front porch, and see any visitors that stop by while you’re not home.