Sinthesi offers you the possibility to choose not only between different system models, but also between numerous installation solutions that meet your space requirements and your needs. Sinthesi is a keypad in modular design that can be installed both horizontally and vertically.Product features:SINTHESI STEEL series voice module / polished stainless steelThe SM1158/47 module shows the user the system status using optical and acoustic signals.Technical data:Compatible with 2VOICE, BiBus, Ipervoice, 1+n and 4+n systemsSize: 1 module unit Supply voltage: 12V (AC/DC) Current consumption: 150mA (DC), 200mA (AC) Dimensions: 90 x 90mmInstallation instructions:Note: