15 fcc id: 2abbz-rf-sdws ic:11817a-rfsdws magnasphere mss-rfs series wireless surface mount contact mss-rfs-100/200/300 surface mount contact size 1.04" [26.4mm] pic. 3.2" [81mm] 0.43" [10.9mm] 1.3" [33mm] 0.5" [12.7mm] 0.96" [24.4mm] max gap 0.63" [16 mm] magnasphere electrical specifications max current: 0.25a resistive max voltage: 30 vdc max power: .25 w resistive battery: 3vdc, 1.55ah, cr123a lithium battery color(s) white and brown screw terminals compatible with these oem* formats: mss-rfs-100 = utc - interlogix / iti / elk mss-rfs-200 = honeywell mss-rfs-300 = 2 gig *utc, interlogix and iti are registered trademarks of united technologies corporation, elk is a registered trademark of elk products, inc., honeywell is a registered trademark of honeywell international, inc., 2 gig is a registered trademark of nortek, inc. rfs-158# spacer kit for the mss-rfs wireless series 25pc spacer kit contact state shown with magnet in secure position transmitter n o m m o c x u a b x u a a x u a onboard contact b c a wire same as aux a up to 100 ft (30m) aux open loop* or aux closed loop bottom view