It’s a very nice transmitter and you can use it with programable SAFE receivers, Spektrum smar631, smar630 and smar637T ( Telemetry ). Lots of programable switches and settings for any RC flying model. I used youtube videos to lean how to configure it. I use brand name eneloop rechargeable AA batteries. The reachable batteries last 1-2 weeks before I have to recharge them again. I replaced my old transmitter and this one. It’s so much nicer and handles my multiple RC airplanes perfectly. I would recommend it to any hobbyist with multiple flying models
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