Signal-Tech X-RAY IN USE SBL77R-270/120-277VAC | SIG-38620 Two-Door Proximity Access Control System Reverse on obstruction

Reverse on obstruction

LiftMaster 41A5424

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Signal-Tech X-RAY IN USE SBL77R-270/120-277VAC | SIG-38620 Two-Door Proximity Access Control System Reverse on obstructionSignal Tech X RAY IN USE SBL77R 270 120 277VAC SIG 38620 This SBL Series X RAY IN USE indoor, blackout, LED backlit sign is designed with a matrix of energy efficient LEDs illuminating a block style message. The sign features blackout technology that only displays the sign message when illuminated. It is engineered with a solid state circuit board and switch mode power supply for maximum LED life. The cabinet is constructed of corrosion resistant,