1.Handset body made of speical engineering plastic PC 2.Vadanl resistant, Good for fire resistance and hand feeling 3.Intensity of tension for armoured cord >250kg 4.Pierce-proof and hi-fi transmitter and receiver 5.Good call transmission of the matching phone, 4.2-in-GB/T15279-94-compliant package:25pcs /ctn carton demension:430*375*380mm