Delivery of 15 PPM alarm -OCM-15 ●Model: OCM-15 (made in China)●Alarm Points: 1-15ppm●With 3-way valve●Application of 0-15ppm, 220/110/24V supply voltage●Standard: IMO.Res.MEPC.107(49)●With CCS class certificate, IMO approval certificates and Calibration test report(Validity 5 years)●Packing Dimension: 46*32*18cm (carton)●Packing W