supply of 1) square wave based electronic hooter with 0.75 cycles per second brand with sound with battery backup detailed specification:- 1). input voltage: common 230vac or 110vac, 50hz 2).output voltage: 12 v dc 3).pulse voltage: 5v square wave 4).pulse rating: 0.75 cycles per second(variable) 5).audio output power for each hooter: 40 watt 6). audio ability: 300 miters input voltage-220/110v ac with 12v 7 amps dc battery backup. 2) hooter floor mounting type (adjustable angle) to run on 24v dc, make: golden or similar.1) square wave based electronic hooter with 0.75 cycles per second brand with sound with battery backup detailed specification:- 1). input voltage: common 230vac or 110vac, 50hz 2).output voltage: 12 v dc 3).pulse voltage: 5v square wave 4).pulse rating: 0.75 cycles per second(variable) 5).audio output power for each hooter: 40 watt 6). audio ability: 300 miters input voltage-220/110v ac with 12v 7 amps dc battery backup. 2) hooter floor mounting type (adjustable angle) to run on 24v dc, make: golden or similar.,hooter floor mounting type (adjustable angle) to run on 24v dc, make: golden or similar. [ warranty period: 12 months after the date of delivery ] ] , square wave based electronic hooter with 0.75 cycles per second brand with sound with batt ery backup detailed specification:- 1). input voltage: common 230vac or 110vac, 50hz 2).output voltage: 12 v dc 3).pulse voltage: 5v square wave 4).pulse rating: 0.75 cycles per second(variable) 5).audio output power for each hooter: 40 watt 6). audio ability: 300 miters input voltage-220/110v ac with 12v 7 amps d c battery backup. [ warranty period: 30 months after the date of delivery ] ]