Speed Warners
From Amazon
OOONO CO-DRIVER NO1: Warns about speed cameras and road hazards in real time via free app | acoustic and/or optical signal, activated automatically | Data from for 80+ countries
Conrad Electronic
OOONO INT-1106 CO-DRIVER NO1 Speed cam alert (Ø x H) 44 mm x 14 mm
OnBuy
SOP Ooono Co-Driver Verkehrsalarm