Have no easy combustion and the causticity air in the surroundings air or conductive dust next usage.
The surroundings environment temperature does not exceed ascend 40C
Bear to press:1500V,50 weeks/seconds a minute.
Insulate the electric resistance.Shouldn"t be small in 10 M Europes,settle the electric voltage in the sum + - 10%,Switch on electricity five after minutes,wen sheng is no bigger than 60C
2.Fire alarm bell packing pictures:
usd poly bag packing into bell,1pc into white box,20pcs into brown carton.
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