Purchase Qty. Reference FOB Price
100-999 Pieces US$7.00
1,000-1,999 Pieces US$6.80
2,000+ Pieces US$6.60
Product Description
Power Source AC220V-AC240V,DC 9V battery backup Operation Current 85dB(A) @ 3 meters Product service life >10 years Size 140mm in diameter x 44mm depth