White. This ASEC Chime is compatible with the Asec Smart Video Doorbell. The Chime pairs to the Asec Smart Video Doorbell in seconds and requires no batteries as it is powered through a UK plug socket. It is easy to install and use, with 55 different ringtones, LED indicator and 5 levels of volume control with a maximum volume of 110 decibels.. Compatible with Asec Smart Video Doorbell. Pairs in seconds. Easy to install and use. 55 different ringtones with LED indicator