Genuine OEM 4Moms Mamaroo Optical and Photoelectric Sensors, Encoders, Limit Switches Photoelectric Sensors Optical Encoders Horizontal, Vertical, and Rotational Position & Motion Detectors Through-Beam Sensors Reflective Photo Sensors Photo Interrupters Sensor LEDs & Phototransistors Light Detectors Fork Sensors, Slot Sensors Horizontal/Vertical Limit Switches Infrared (IR) Sensors Fits Following Models mamaRoo, rokaRoo, Sleep Basinnet: mamaRoo 1.0 (4M-005) manufactured 2010 through 2012 mamaRoo 2.0 (4M-005) manufactured 2012 through 2015 mamaRoo 3.0 (1026) manufactured 2015 through 2017 mamaRoo 4.0 (1037) manufactured 2015 through 2022 mamaRoo 5.0 (1046) manufactured 2022 through present Sleep Bassinet (1040) manufactured 2019-present rokaRoo 1.0 (4M-012) manufactured 2014 through 2023 rokaRoo 2.0 (1048) manufactured from 2023-present Available Sensors: Sensor 4M005-003-0046 Rev: 00 Sensor 4M005-003-0063 Rev: 01 Sensor 4M005-003-0064 Rev: 01 Sensor 4M005-003-0064 Rev: 02 Sensor 4M005-003-0068 Rev: 01 Sensor 4M005-003-0072 Rev: 01 Sensor 4M005-003-0072 Rev: 02 Sensor 4M005-003-0072 Rev: 03 Sensor 4M005-003-0621 Rev: 00 Sensor 80-4M-026-HENC-1-01 R1 Sensor 80-4M-026-VLIM-1-01 R1 Sensor 80-4M-026-VENC-1-01R1 Sensor TF-05-94V0 Sensor E356428 SY-JLH-02 Sensor E499966 94V-0 CX2