IEI Linear Corp IEI Linear Corp IEI 232w Style Flush MountWeather Resistant Keypad... Additional Information Downloads iEi 232w Installation Instructions (pdf) Manufacturer iEi Electronics / Linear Model 232w/0-213222 Dimensions 2.75" W x 4.50" H x 1.13" D Operating Temperature Temperature tolerance: -20F to 130F Number of Users Up to 120 Voltage Input 12 or 24 VAC/VDC Warranty Five year warranty Weight 1.0000 232w/0-213222 Keyless Access