White. This WiFi enabled Chime from Era is designed for use with the Era Doorcam, which allows users to answer the door no matter where they are via the free Smartphone app. Up to four of these chimes can be used per camera which is ideal for use in far properties where multiple doorbells may be required. It also featured adjustable volume, an optional light, and a choice of ringtones to suit your preference. It is powered using the Era Plug In Power Supply (L29125), please note that the power supplied is purchased separately.. Designed specially for use with the Era WiFi Doorcam. Adjustable volume. Optional light. Choice of ringtones