• 170° wide visual angle;
• Auto-sensor light illumination;
• Zinc alloy (S) / stainless steel (F);
• Unlock & talk indication;
• Multi buttons for 1-4 users;
• Support surface and flush mounting;
• Proximity access control;
• Two types of lock control;
• External PIR module interface;
• Large nameplate display;
• IP54 waterproof rate.