The Byron 7960B/7960C/7960 surface mounted bell push is illuminated and can be connected to all wired Byron doorchimes. 7960B: Brass Finish.7960C: Polished Chrome Finish.7960: Brushed Nickle Finish. The Byron 7960BN Wired Bell Push has the following specification: Colour: Brushed Nickel.Weight: 100g.