This Gong looks in natura very good on the wall with a simple design noble matt aluminum and gray glass. It is very easy to install. Because I do not understand some reviews here. Good operating instructions are enclosed. I run the gong with 4 Duracell batteries Baby (should angebl. 1-2 years imGong hold) and following doorbell over 2-wire cable. Have ever built such a gong in the EC and OG apartment. It is hinged to get at the wiring connections, the controls and batteries. So once mounted nothing needs to be dismantled for maintenance or configuration change, etc. The sounds are easily selected by pressing a button, the volume is easily adjustable with thumb wheel. The max. Volume shaken stand by while a direct and is with several rooms audible in 160sqm apartment. What sounds there, standing on homepage Grothe to listen to sound samples. We chose Westminster.
Conclusion: Very nice and loud door chime with good tunes selection. Easy installation.