IT35G-OPC Part no.: 420221 DIN rail housing 94 mm (L) x 35 mm (W) x 76 mm (H) 2 switching inputs 1 relais output power supply: 12..24 V DC current consumption: max.80 mA real time clock with automatic Daylight Saving Time handling communication network: GSM (Quadband 850/900/1800/1900 MHz) also available as fault reporting device and as alerting device with VdS2465 protocol Accesories (not included in delivery): DIN rail power supply 24 V / 0.63 A Lead accumulator 12 V, 7.2 Ah Lead accumulator 12 V, 1.3 Ah DIN rail lead accumulator 12 V, 1.3 Ah GSM antenna Embedded GSM antenna ("Puck antenna") GSM antenna extension cable Adpter for extension of the RS232 interface over LAN / internet PIR motion detector More information /downloads: Operation manual Documentation Downloads Pricelist (German)