UVC Light Bulb 2537nm wavelength Lamp E26 25w 110v Covers up to 400sq ft

Coospider Bulb Watt: 25W Voltage: 110V Wavelength: 253.7nm bulb How to use: ? Goods surface: ( 5 minutes once ). put goods within 4 ft of the light, such as cups, bottles, toothbrushes, shaver, cell phones, keyboards, clothes... ? Small space: ( 5 minutes once ). ? 50 sq.ft. as shoe cabinet, drawer, toy box, wardrobe. ? Small room: (15 minutes once ). ? 200 sq.ft. such as dog/chicken house, toilet, storage room. ? Larger room: (15-60 minutes once ). ? 400 sq.ft. kitchen, living room, bedroom... The Warning when use this bulb:(U/V/C light was harm to eyes and skin) ?. Don’t look at the working bulb. ?. People/pet/plant can’t be exposed to the U/V/C light, must left room when lamp work.