tender for cordless calling bell specification- a) wireless calling bell b) battery operated c) reciver with ledflashing indicator d) range up to 100 mts in open air e) remote with push button make:- maru , havells orsimilar note: 1) the firm should submit authorized dealership certificate or proof of purchase from oem ordealer for acceptance. 2) firm should mention oems guarantee/ warranty period along with offer for acceptanceas per irs rules.
