There are two models for the Conventional Remote LED Indicator, a wall type MKII-RL/W and ceiling mounted type (requires a base) MKII-RL/C.
Each unit has 2 LEDs that light up to indicate an alarm. It has the 8 LED appearance to keep it’s family identity.
The MKII-RL/W is supplied with a backbox for surface mounting. It is also available without backbox for flush mounting.