Ningbo DSW international Co.,Ltd

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1. door-magnetic-contact, switch-magnetic-sensor-for-burglar-alarm-system-magnetic contact-magnetic swi

magnetic contact
Type:Overhead Door Contact
Contact Type:Closed Loop
Contact Rating :Breakdown Voltage 100v / Max.Switch Current 0.5A
Opera. Gap:3 Inch .
Magnet:
Lead Wire:Wire:#22AWG with 22 Armoured Cable
Housing:Alum Case .
Dim:104.5* ...

2. door-magnetic-contact-switch, magnetic-sensor-for-burglar-alarm-system-magnetic contact-magnetic

Type: Emergency Button
Terminal : 3P Normality Open NO
Rating: AC125V 3A 250V 1A
Dielectric Strength: AC 1000V 1 minute
Contact R.: More than 100M OHM at DC500V
Insulation Resistance: Less than 2100M OHM
Electrical Life: More than ...

3. smoke alarm, smoke siren, fire alarms, fire security for burglar

The product is a new type of photoelectric smoke alarm,When it detects smoke twice,it will output signal immediately and trigger connected unit to work,which tell you in advance that fire will occurs and avoid unwanted loss,and take you safety ...

4. outdoor alarm siren, outdoor bell box-outdoor sounder for burglar...

Type: Piezo Alarm & Strobe
Rated Voltage:12 VDC
Operating Voltage:6 To 15VDC
Max. Rated Current:300 mA
Min.SPL:110 dB at 12VDC/1m
Resonant Frequency
Tone Nature:Warble
Housing:ABS Plastic.
Operat. Temperature:20 T0 70 F
Store Temperature ...

5. outdoor alarm siren- outdoor bell box, outdoor sounder for burglar.....

Type: Outdoor Siren
Impedance80hm .
Input Voltage:12 VDC
Oper Voltage:6 To 15VDC .
Min SPL:115 dB at 12VDC/1m
Max Current:1400 mA at 12VDC
Flash Rate :115 +/-15 Per Minute
Strobe Len:Acrylic Lens
Tone Nature:Warble
Housing:White ...