Hanutech Multipurpose Automatic School Bell Management System with Double Mounting Industrial Siren 220V AC | Shifts Changing Alarm System Hooter Sound Range 2 KM for School Collages & Offices

Product Description
customer Helpline details provided on the Box for installation the device
90 periods can be set
seasonable timings can be set (winter-summer)
Only HANUTECH SOLUTION Authorized to Sell
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