supply of item no. 1- charging unit, item no. 2- electronic voice message sounder, item no. 3- flasher light, item no. 4- flasher light. , charging unit of sanrok part no. 2 ed -254-1930/3. [ warranty period: 30 months after the date of delivery ] ] , electronic voice message sounder of sanrok part no. 2ed-254-1940. [ warranty period: 30 months after the date of delivery ] ] , flasher light of sanrok part no 2ed-255-1972. [ warranty period: 30 months after the date of delivery ] ] , public announcement module of sanrok part no 2ed-254-1929/4). make/brand sanrok [ wa rranty period: 30 months after the date of delivery ] ]