Purchase Qty. Reference FOB Price
1-499 Pieces US$6.65
500-999 Pieces US$6.55
1,000-2,999 Pieces US$6.45
3,000+ Pieces US$6.35
Product Description
Features: 1.Low voltagebattery change prompt. The LCD screen displays LB while taking out the battery, or low of the battery. 2. Unique design and convenient installation. Wall mounted or ceiling mounted, Fixing with double-sided adhesive tape and screw fixation. 3. LCD real-time display. ...