Characteristic (1) Frame material Made of metal C (2) Lamp Fluorescent light tube 10 W (3) Faceplate Show as picture, could be change as request (4) Reserve power Cells of water and maintenance free

Model : AH-9717 Operating Power :24VDC 30mA Operating Contact:Max. 30VDC 500mA Sub-function :Phone jack, confirmation lamp, rest button. Material : Fire-proof plastic Weight : About 160 g Dimensions

PRESSURE : KGS / CM2 GRADE : DJ A AA AAA P20 WORKING 20 16 13 9 7 TESTING 40 32 25 18 15 WEIGHT : KGS/PER 30 METERS (APPROX) GRADE DJ A AA AAA P20 4`` 16 3`` 15 13.8 2.5`` 15 12.3 12 11.5 1.8 2`` 1

*This detector is operating by temperature differential sensing theory, with ULapproval sensor to connect with metal. It`s made by high quality material, excellent contact to enhance its ability to o

*This detector is operating by temperature differential sensing theory, with ULapproval sensor to connect with metal. It`s made by high quality material, excellent contact to enhance its ability to o

* Heated sensing diaphragm can oparate consecutively for unlimited times, not effected by temperature,especially the conducting part use gold coating to avoid oxidation. * Use alloy air equalizer to

* Heated sensing diaphragm can oparate consecutively for unlimited times, not effected by temperature,especially the conducting part use gold coating to avoid oxidation. * Use alloy air equalizer to

* Easy installation: Install directly to proper location without any wiring. * Longer operating life: Minimum one-year battery life under normal operating. * Low battery warning: Unit ``beeps`` every

Characteristic : (1) Flame-resistant frame and pc cover (UL-94 Standard) (2) Easy maintenance (3) Hangings type (4)ABC fire retardant material