School Electric Bell with Outside Peen

• Type: Industry Alarm
• Signal Transmission: Wireless Alarm
• Working Mode: Passive
• Certification: ISO
• Application: Indoor
• Working Principle: Electro-Optical Type
• Model NO.: School Electric Bell
• Transmission Mode: Wireless
• Alarm Volume (within 1m): ≥100dB
• Receive Frequency: 229.95MHz
• Transport Package: Export Carton Packed
• Specification: ISO, CE, MSDS, CNAL certificate
• Trademark: Welfare
• Origin: Zhejiang, China (Mainland)
• HS Code: 8532909000
• Production Capacity: 50, 000 Pieces / Month.

Product Description

School Electric Bell with Outside Peen

Specifications
Voltage and color can be custom

1) Alarm of easy combustion causticity air or conductive dust
2) The surrounding temperature does not exceed 40° C
3) Bear to press: 1, 500V, 50 times/a minute
4) Electric resistance: Shouldn't be small than 10
5) Settle the electric voltage ± 10%
6) Switch every 5 minutes
7) Work time: Not longer than 5 minutes
8) Uninstall the bell cover to move absolutely