3SpecificationsCurrent & Voltage RatingsAlarm Output --------------------------------- Burg: 12 VDC, 2A (max.)Fire: 12 VDC, 65 mAOutput Current Limiting -------------------- Burg/Fire: 2.25 AAUX Power: 750 mAResidential Burglary (4 Hour Standby)Combined Standby Current: -------------- 500 mABell Output: ----------------------------------- 2 A(Using Rechargeable 12 VDC 4 AH BATTERY, minimal requirement)Residential Fire (4 Hour Standby)Combined Standby Current: -------------- 500 mABell Output: ----------------------------------- 65 mA(Using Rechargeable 12 VDC 4 AH BATTERY, minimal requirement)Residential Fire (24 Hour Standby)Combined Standby Current: -------------- 120 mABell Output: ----------------------------------- 95 mA(Using Rechargeable 12 VDC 7 AH BATTERY, minimal requirement)Transformer and BatteryRequired Transformer: -------------------- NAPCO TRF12 ORBASLER 16.5 VAC 20VARequired Battery: --------------------------- 12V 4 AH or 7 AH RechargeableChange Battery every 5 years or as requiredMaximum Charging Current: ------------- 165 mAMaximum Input Current: ------------------- 2.58 ALoop CharacteristicsLoop Voltage: -------------------------------- 5 VoltsLoop Current : -------------------------------- 1.1mALoop Resistance: ---------------------------- 300Ω per zone (max.)Device SpecificationsMax # keypads: ------------------------------ 4, GEM-RP8 current = 65 mAMax # of receivers: -------------------------- 2, GEM-RECV-XP8current = 65 mA eachMax # of compatible2-wire smoke detectors : ------------------ 10Max Keypad wire length : ---------------- 1000’ total wire lengthMiscellaneousHousing Dimensions : -------------------- 11" x 121/ 8" x 3"(28 x 30.8 x 7.6) HxWxDShipping Weight: --------------------------- GEM-P801 5.5 lbs.Operating Temperature: ------------------- 0-49ºC (32-120°F)