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.Product features:Classic two-tone gong electromechanical Sound plates made of real bell steel White housing Operation with external transformer or 9V block battery Recommended transformer: GT 3148Additionally with slot 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) 118 x 118 x 47 mmInstallation instructions:Note:
| Property | Value |
| Housing color: | other |
| Volume: | 80 dB |
| Type of current: | AC |
| Material of the housing: | Plastic |
| Protection class (IP): | IP20 |
| Battery built-in: | no |
| Wireless: | no |
| Mounting type: | Surface-mounted |
| Protection class (NEMA): | 1 |
