Features:OOTDTYble :this door handle is made from Polycarbonate, ensuring lasting use.The door ic alarm perfect for home, shops, garages, supermarket, apartment, dorm room, home.For home burglar alarm system, ant kits of home security.When door is opened by 2-3cm, the product immediately sends a signal to the host. The horn in the host will send out a alarm sound, so that the illegal can notNC type , normally closed : Switching offs when door is openedSpecifications:Material:PolycarbonateSize:Approx.64x12.8x12.8mm/2.52x0.503x0.503"WorkingAlarm current: 500mAQuiescent current: 100uAWorking temperature: -10-50℃Current: 0.5ASensing distance: 15-25mm/20-30mm.Signal output: NC/COM with normally closed/normally open conversion.ConnectionInstallation method: mounting typeAction distance: 15-25mmCommunicationPaage Includes:1 Set Window Security AlarmNote:Please allow 1-2cm errors due to manual measurement,Please e sure that you do not mind before you order.Due to the difference between different monitors, the picture may not reflect the actual color of the item.2022年9月30日