SECO-LARM SK-919TP4D-P -Button Desktop Transmitter

For remote unlocking of electromagnetic locks or other remote operations from a receptionist’s or other user’s desk. Use in offices, factories, and other businesses and institutions. Operates up to 500 feet. Over 68 billion (6.8 x 1010) possible codes. LED indicators for transmission, low battery, and battery charging. Includes rechargeable 9-volt battery and 500mA power adapter. Compatible with all SECO-LARM receivers (SK-910R, SK-910R2, SK-910R4). 315 MHz. Available with 433.92 MHz. Attractive heavy-duty aluminum case. Large buttons for easy use.