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Fire alarm bell
2017-01-14 06:12
Type GLF152-12(24)VDC Rated Voltage12(24)V Rated Current20-30mA S.P.L (A) 1m more than 87dB Please contact:chensucai1987
Electric bell
2017-01-14 06:12
Type GLL152-12(24)VDC Rated Voltage 12(24)V Rated Current15-25mA S.P.L (A) 1m=90dB E-mail address:chensucai1987@yahoo.cn
Piezo siren piezo alarm
2017-01-14 06:12
1.High sound level.2.IP rating:IP673:Full rangePlease contact:chensucai1987@yahoo.cnWebsite:www.elechs.comWe are acousti
dynamic receiver
2017-01-14 06:12
Type SD38150H21 Impedance (at 1KHz) 150O±20% Sensitivity (318ear/60mv )97±3dB Frequency Range300-3400Hz Axial Director
carbon microphone transmitter
2017-01-14 06:12
Type OT100 Impedance 60--150O Sensitivity-10±4db Frequency Range300-3400Hz Load100O Please contact:chensucai1987@yahoo.
LCD TV speaker
2016-11-18 13:28
1.LCD TV speaker2.Dia.20*27mmDiameter:Cone Material:Edge:Nominal Power:Maximum Power:Impedance:Voice coil:Fo:Response:S.
2016 Factory price one way smart car alarm system, alarm car with easy install manual
2016-08-14 05:26