bids are invited for collar mic with cordless mic - (a)type –wireless(b)  form factor- handheld(c) if wireless operating range -50mtr(d) power source- 3v(e) warranty-1 yr , cordless dual mic - (a) type –wireless(b) form factor- table top(c) if wireless operating range -100mtr(d) power source- 220v-240v ac 50 hz(e) warranty-1 yr , speaker cable - (a)    distance of length-100 mtr(b)   size(awg)-20(c) size (sqmm)-2.5(d)   colour code- black(e)   width-4.5 millimeter(f)    construction material-bare copper(g)   insulation material-pvc(h)   thickness-0.75 millimeter , cutting plier large - (a)       plier-150mm , cutting plier (nose type) - (a)    taparia-nose plier (taparia 1420-6) , screw driver set (large) - (a)   screw driver- set , audio video 2 rca stereo cable 20 mtr - (a)       cable material- plastic+copper+pvc(b) conductor material- copper(c)weight- 80grm(d) type –male -2 male(e) connector material plated-gold plated(f)cable diameter-3.5 millimeter , audio video 2 rca stereo cable 10 mtr - (a) cable material- plastic+copper+pvc(b) conductor material- silver(c)    weight- 80grm(d) type –male -2 male(e) connector material plated-silver plated(f)cable diameter-3.5 millimeter , hydrometer - (a)         hydrometer-nvis 560t) , multimeter digital type - (a)     dc voltage range-600v   (b)  dc voltage accuracy-0.005 percent(c)dc voltage resolution-0.001 millivolt(d) ac voltage range-600v(e) ac voltage accuracy-0.08 percent(f)dc voltage resolution-0.001 millivolt , lead acid bty 12.0 volt - (a)nominal voltage of bty-12.0v(b) material of container-polypropylene(c) rated capacity at c20 discharge (ah)-88(d) warranty- 4 yrs total quantity : 1