Catalog > Consumer Electronics > Security & Alarms > bpt Intercom Systems > Systems > LITHOS Kits Intercom Entry Panel Lithos Audio Intercom Entry Panel Lithos Audio BPT LC/01 BPT INTERCOM ENTRY PANEL LITHOS AUDIO Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Circuit board for X1 system, microphone and loudspeaker Protection rating IP 54 Dimensions (WxHxD): 99x207x30 mm Adjustment of microphone/loudspeaker volume and door lock release time vLocal command for door lock, inputs for door lock release buttons Blue LEDs (4) for backlighting of the push button with name label Manual or software programming via PC