Wireless Temperature & Humidity Sensor for KUMO Line Set Cover you'll need one of two

you'll need one of two Mitsubishi branch boxes - PAC-MKA3 (three-zone) or PAC-MKA5 (five-zone)

A Branch Box - For the MXZ-SM48NAMU

Port Adapters - You may need port adapters

Outdoor Unit: SUZ-KA24NAR2

Wireless Temperature & Humidity Sensor for KUMO Line Set Cover you'll need one of twoMitsubishi Kumo Cloud Wireless Temperature & Humidity Sensor (PAC USWHS003 TH 1) allows you to be fully aware of your home or business's climate control. Easily connectable and compatible with the wireless kumo cloud phone application. Specifications Dimensions H x W x D: 1 9 16 x 1 9 16 x 21 32 (40 x 40 x 16. 5 mm) Operational Voltage: 2 3. 6 VDC Operation Frequency: 2,400 2,483. 5 MHz Temperature Operating Range: 32 104F (0 40C) Range: 33 ft (10 m)