ICEDOT CRASH SENSOR

£148.99 This 15g retro-fit sensor is the predecessor to ANGi. It mounts to the rear of your helmet (with a plastic mount and zip ties) and is powered by a rechargeable battery that uses a micro-USB port. It runs continuously for 20 hours and for a month if kept on stand-by. Subscription to ICEdot’s service is £5 a year.