$ 100 /Unit
DH-240:
SIZEmm：300×300×500
Weight kg：15
DB：135
Distance km：3
Power W：180
Dia/Call start function
GSM card Anti-theft alarm
GPR message Police
ELECTRIC - SIREN -MONITOR MEASURE
DH-300B Siren
Size mm：650×450×550
kg：55
DB：145
Distance km：7
Power w：1500
Infrared receiver trigger Function
SEISMOGRAPH VIBROMETER VIBRATION TC-4850$ 3000 Per Set
SEISMOGRAPH VIBROMETER ISENSOR LIGHT$3700 per Set
GAS BLAST FUME DETECTOR 4 IN 1$170 /Unit
ROPE METER SURVEY MEASURE SCALE COATED$ 3.5 Per Pc
MANUAL SIREN CLEARANCE ZONE BLASTING$ 30 Per Pc
BOREHOLE DEPTH MEASURE LASER$35 per Unit
TEARDROP LEAD BOREHOLE SURVEYOR $0.25 per Pc
VIBROMETER SEISMOGRAPH JAOBO BLUE$ 3000 /PC
INFRARED LASER THERMOMETER GUN$ 10 /PC
ALTERMETER STANDARD$ 8 /PCSEISMOGRAPH VIBROMETER VIBRATION TC-4850$ 3000 Per SetSEISMOGRAPH VIBROMETER ISENSOR LIGHT$3700 per SetGAS BLAST FUME DETECTOR 4 IN 1$170 /UnitROPE METER SURVEY MEASURE SCALE COATED$ 3.5 Per PcMANUAL SIREN CLEARANCE ZONE BLASTING$ 30 Per PcBOREHOLE DEPTH MEASURE LASER$35 per UnitTEARDROP LEAD BOREHOLE SURVEYOR $0.25 per PcVIBROMETER SEISMOGRAPH JAOBO BLUE$ 3000 /PCINFRARED LASER THERMOMETER GUN$ 10 /PCALTERMETER STANDARD$ 8 /PCSEISMOGRAPH VIBROMETER VIBRATION TC-4850$ 3000 Per SetSEISMOGRAPH VIBROMETER ISENSOR LIGHT$3700 per SetGAS BLAST FUME DETECTOR 4 IN 1$170 /UnitROPE METER SURVEY MEASURE SCALE COATED$ 3.5 Per PcMANUAL SIREN CLEARANCE ZONE BLASTING$ 30 Per PcBOREHOLE DEPTH MEASURE LASER$35 per UnitTEARDROP LEAD BOREHOLE SURVEYOR $0.25 per PcVIBROMETER SEISMOGRAPH JAOBO BLUE$ 3000 /PCINFRARED LASER THERMOMETER GUN$ 10 /PCALTERMETER STANDARD$ 8 /PC