The JA-151ST optical wireless smoke and temperature detector detects fire inside residential or commercial premises. It allows these settings: smoke and heat, smoke or heat, smoke only, heat only.

The detector indicates a fire hazard using the built-in LED indicator and acoustic signalling

It has an alarm memory function.

It is battery powered by alkaline batteries.

It is addressable and occupies one position in the Jablotron 100 alarm system