June 25 (NBD) -- With the advent of smart home, the smart door lock market has seen explosive growth.

Chinese auto maker BYD Company Limited (002594.SZ) opted to develop fingerprint sensors for devices beyond smartphones while other companies were eyeing the smartphone segment.

In June, shipment of BYD's fingerprint sensors exceed 1 million pieces, taking up 60 percent of the smart door lock sensor market.  

It is expected that annual sales of door locks with a fingerprint sensor will reach up to 50 million units.

Email: tanyuhan@nbd.com.cn