Nqe lus piav qhia:
Chav tsev yog lub tswb nrov. Nws tuaj yeem tshawb xyuas qhov ntsuas kub nce ntxiv thiab tso tawm ceeb toom nyob rau hauv qhov xwm txheej tias qhov kub ib puag ncig ntawm 54 degree -65 degree, txhawm rau ceeb toom lub tsev ntawm qhov xwm txheej txaus ntshai thiab ceeb toom cov neeg nyob hauv kev khiav tawm tam sim ntawd.
Technical nta:
Fais fab mov: AC 220V-240V 50Hz, nrog DC 9V alkaline roj teeb rov qab
Ua raws li BS5446-2: 2003
Lub tswb nrov: Ntau dua lossis sib npaug li 85dB ntawm 3m
Lub pob ntsuas loj rau kev sim yooj yim txhua lub lim tiam
Silence muaj nuj nqi: Kwv yees li 8 feeb
Tsawg roj teeb teeb liab tswb
Lub sijhawm khoom siv lub neej> 10 xyoo
Wired interconnection mus txog 40pcs
Loj: Φ140mm * 58.8mm
Khoom Specification:
Peb daim ntawv pov thawj:
Peb lub tuam txhab thiab lub Hoobkas:
FAQ:
Q: Yuav ua li cas txog koj lub sijhawm khoom xa tuaj?
A: Feem ntau, nws yuav siv sijhawm 25-30 hnub tom qab tau txais koj cov nyiaj them ua ntej. Lub sijhawm xa khoom tshwj xeeb nyob ntawm cov khoom thiab qhov ntau ntawm koj qhov kev txiav txim.
Q.: Koj txoj cai qauv yog dab tsi?
A: Peb tuaj yeem muab cov qauv yog tias peb npaj cov khoom hauv Tshuag, tab sis cov neeg siv khoom yuav tsum them tus nqi coj mus kuaj thiab tus nqi xa khoom.
Q: Kuv puas tuaj yeem siv kuv tus kheej lub logo rau ntawm cov khoom?
A: Yog, yog tias xav tau tshwj xeeb, pls hu rau peb los tham txog cov ntsiab lus ntxiv, peb yuav sim peb qhov zoo tshaj plaws kom tau raws li koj qhov yuav tsum tau ua.
Q: Hom kev them nqi twg koj txais?
A: Kev them nyiaj txais tos T / T, Western Union, L / C thaum pom.
Cim npe nrov: Mains Thaum tshav kub kub Alarm, Tuam Tshoj, manufacturers, lwm tus neeg, Hoobkas
