KN95 disposable face mask is applicable to ordinary self-priming, filter-type respiratory protective equipment that protects against various types of particulate matter
1.6.8W solar panel & optional 3pcs 18650 batteries2.Support integrated or split installation3.including 5m extension cable4.It can be used wherever there is sunshine, and there is no power cut for 365 days5.Remote wake-up function, Radar alarm push functi
A weld neck flange consists of a circular fitting with a protruding rim around the circumference which is generally machined from a forging, these flanges are typically butt welded to a pipe. The rim has a series of drilled holes that permit the flange to
This touch keypad cam lock is easy to set your own code, and memorized automatically when power off. It have master key and manager code for emergency opening. E-makelocks dedicated to provide the one-stop security solution for storage and office security