GUARDIAN TELECOM INC. P1011 - EXPLOSION PROOF TELEPHONE,BLUE - EXPLOSION PROOF PHONE, OVERALL DEPTH 4 7/8 IN, OVERALL HEIGHT 13 1/2 IN, OVERALL WIDTH 10 1/8 IN, VOLUME CONTROL NO, INDOOR/OUTDOOR USAGE INDOOR, OUTDOOR, STANDARDS CSA 1514630 (LR65547),...