LEGO part 58123c01 - Light Bluish Gray Electric, Power Functions Receiver Unit with Dark Bluish Gray Bottom, Complete Assembly at BrickScout
Technic IR Remote With Receiver Compatible with Lego Power Functions 8879 8884 | eBay
Infrared Remote Control And Infrared Receiver Compatible For Legoeds 8885 Multi Power Functions Tool Servo Blocks - Automation Modules - AliExpress
Amazon.com: PHYNEDI Goshfun 6Pcs Upgraded Motor Power with Extra Modification Accessories Bag Building Set for Lego Technic, 1x L-Motor, 1x M-Motor, 1x Receiver, 1x Servo Motor 1x Battery Box, 1x Remote :
Power Functions IR Receiver - LEGO set #8884-1 (Building Sets)
WIFI LEGO RC Combo - 100m Range 2.4GHz – Green Gecko Workshop
LEGO IR receiver - Internet of LEGO
LEGO® Power Functions IR Receiver 8884 | Other | Buy online at the Official LEGO® Shop US
LEGO PART 58123a Receiver Unit, IR, Power Functions | Rebrickable - Build with LEGO
LEGO® Power Functions IR Remote Control 8885 | Other | Buy online at the Official LEGO® Shop US
Lego Technic Power Functions Compatible | Lego Technic Power Functions Motor Set - Blocks - Aliexpress
Lego PF IR receiver: comparing new (v2) and old unit - YouTube
LEGO - Genuine Power Functions - 8884 - Power Functions IR Receiver - Tested | eBay