Phillips Hex Washer Self Tapping Screws, M4 x 30mm 304 Stainless Steel Hex Flange Sheet Metal Screw 50pcs 1/2"x1-5/16"x3/8" 48 AA Battery Box Capacity:

48 AA Battery Box Capacity: for 48 AA Battery(Battery not included)

Static Load Rating (Cor): 19000N

Note: Please pay attention to avoid scraping the glass on the door viewer when installing

Markers Shape: Round

16 x 3030 Aluminum Brackets

Phillips Hex Washer Self Tapping Screws, M4 x 30mm 304 Stainless Steel Hex Flange Sheet Metal Screw 50pcs 1/2"x1-5/16"x3/8" 48 AA Battery Box Capacity:Made of 304 stainless steel, it has higher hardness, corrosion resistance and rust resistance, and provides a firm fixing indoors and outdoors. It is driven by a cross groove, with uniform force, easy to lock, not easy to slip, and convenient and quick to use. The self tapping screws can drill well into the wood, sheet metal and other surfaces. The thread can reduce the resistance when screwing in and prevent cracking. It can also connect metal