This is drive recorder for bikes ... You need to professionally install it but you can record both from and back. 1080 HD cameras can record in the central unit housed under the seat. I thought it was a great design.
あさこ 
Seattle Execs. 
SETSUKO 
カワシマヒロキ（ひーさん） 
さち 
神谷保険 
KUMA 
さわ 
佐藤淳一（朝活習慣化キャリアコーチ） 
bokushi 
Pacific Software Publishing, Inc.