личный сигнал тревоги

JX-668:1) Easily mounted by adhesive tapes on window or door2) Sound level: 90-120dB3) Duration: 15s4) Operating voltage: 3 x LR-44 batteries5) Many models and colors available for selection: white, blue, black, green, wood veinJX-624:1) Uses the technology of infrared exploration with high sensitivity 2) Wireless remote control, convenient to use and install 3) With the function of both alarm and door chime 4) Uses the Japanese CMOS chip as molectron, saving energy 5) Detecting distance: 10m6) Detecting degree: 100°7) Alarming sound: 105dB8) Alarming time: 15 - 20 seconds9) Working voltage: DC 6V (four AAA batteries) and with the jack for 6 - 9V external power10) Quiescent current:: <0.5mA11) Dynamic current: 180mA JX-622-108:1) Adopts infrared exploration technique2) Includes detector and alarm3) Fixing conveniently and easy to use4) Detecting distance: >5m5) Detecting range: 100 degrees6) Duration: 15 - 30s7) Sound level: 80 - 110dB8) Operation voltage: 1 x 6F-22 9V battery or outer power source 6 - 9V9) Static current: <0.25mA10) Dynamic current: <120mA11) Gives high alarm when someone barges in the scope of the detector12) Can be used in such places as office, store and home