The classic Grothe two-tone gong with its sound plates made of real bell steel reliably ensures a clear and rich tone when signaling. Conventional technology of the highest quality and maximum durability. The 8-12V gongs can be operated via a transformer, many now have an additional slot for 9V block batteries as standard. The 230-volt versions include a transformer or are connected directly.Product features:Classic two-tone gong electromechanical Sound plates made of real bell steel White casing, blue design element Operation with external transformer or 9V block battery Recommended transformer: GT 3148Additionally with insert compartment for 9V block battery (type ALKALINE) Battery not includedTechnical data:8-12 V~ (4VA) or battery 9V= Alkal.6LR61 max. 83 dB (A) Short-term load max. 20 s (KB 20 s) 136 x 150 x 50 mmInstallation instructions:Note:
