Bell 902 | 2 Way Audio Intercom Kit with Surface PanelBell 902 2 Way Audio Intercom Kit with Surface Panel Included in the kit is two 801 handsets which are made from smooth, white plastic. The lock release button is positioned discreetly under the handset on the base to prevent accidental usage. When the handset is left off the hook the tone is reduced as an added safety feature. It is possible to have up to 3 handsets per button if required. This two button entry panel is installed on the surface of