Purchase Qty. Reference FOB Price
10-99 Pieces US$1.20
100-499 Pieces US$1.16
500-999 Pieces US$1.13
1,000+ Pieces US$1.10
Product Description
100% band new and high quality Product synopsis: Operating voltage DC 5V Power (current) 150mA Features: Size: 32X20X22mm/1.25*0.78*0.86" The main chip: MQ135 gas sensing probe DO Output: 0.1V/5V AO Output: 0.1-0.3V Signal output indicator instructions Dual signal output (analog ...