Weather-Resistant/Vandal-Resistant Talkback Doorplate Speaker features: One-Way Screws Call Button Mounts In Standard Double Gang Electric Box 11 Gauge Steel White Paintable Faceplate; Shipping Weight: 1.68 lbs (.75 kg); Dimensions: 4.5in. H x 4.5in. W x 1.75in. D (11.43 cm x 11.43 cm x 4.45 cm)