Min. Order Reference FOB Price
500 Pieces US$1.00-10.00 / Piece
Product Description
Features: 1. Electrochemical co sensor 2. 3 digits LCD display; 3. Power Supply : 9V Alkaline battery 4. Low battery warning and fault indication feature; 5. Auto Test/reset button; 6. Simple installation, ceiling or wall mounted 7. Good quality, good reliability &high stability; 8. 85 ...