Purchase Qty. Reference FOB Price
1-499 Sets US$65.00
500-999 Sets US$62.00
1,000+ Sets US$59.00
Product Description
Power Supply: AC=110-240V±10% DC=5V(Built-in lithium charging battery ) Alarm current: <450mA Wireless frequency: 433MHz±0.5MHz GSM bands: 850/900/1800/1900MHz 4 bands Wireless receiveing sensitivity: -110dBm External alarm siren: 110db Working environment: ...