Purchase Qty. Reference FOB Price
100-499 Pieces US$2.80
500-999 Pieces US$2.50
1,000+ Pieces US$2.30
Product Description
Specification Brand Name SUMRING/OEM Model Number SR-803-2 Battery lifetime 3 Years Power supply DC3V(2*1.5V alkaline batteries) Monitoring current ≤4mA Color Withe Alarm volume > 70dB (Front 3m) Operating temperature -10°C +50°C Working humidity ≤95% (400°C, no ...