What's in the box:

Two Pipe Wifi Voice Intelligent Room Thermostat Digital Programmable Temperature Controller for Air Conditioner (BAC-3000ALW, White) (Red&Black)

BAC-300 series modern round touch screen room thermostats are designed to on/off control the fans and valves in air conditioner applications via comparison of the room temperature and setting temp. as reaching the aim of comfort and saving energy.

Features:
Powerful functions are available such as Modbus/WIFI etc.
0.5C Accuracy keeps temperature within the level you set.
Clock memory when power is off.
5+2 six periods programmable maximize comfort and economy.
Create thermostat group to centrally control.
All setting languages synchronize your time zone, address and language.
No limit to add rooms and support intelligent scene.

Specifications:
Shell Material: PC +ABS ( Fireproof)
Model: BAC-3000AL, BAC-3000ALW, BAC-3000EL, BAC-3000ELW (optional)
Color:
BAC-3000AL, BAC-3000ALW, BAC-3000EL, BAC-3000ELW: White, Black
BAC-3000ALW, BAC-3000ELW: Silver (optional)

Fan Relay Amps Resistance: 5A; Inductive: 3A
Valve Relay Amps Resistance: 3A; Inductive: 1A
Sensor: NTC3950, 10K
Accuracy: 0.5?
Set Temp. Range: 5 -35?
Dispaly Temp. Range: 5 ~ 99?
Ambient Temp.: 0 ~ 45 ?
Ambient Humidity: 5 ~ 95 % RH (Non Condensing)
Storage Temp.: -5 ~ 45 ?
Power Consumption: <1> Timing Error: < 1> Installation Box: 86 * 86mm Square or European 60mm Round Box
Wire Terminals: Wire 2 x 1.5 mm2 or 1 x 2.5 mm2
Protection Class: IP20
Buttons: Capactive Touch Buttons
Cell: CR1220 button cell (not included)
Item Size: 86 * 86mm / 3.39 * 3.39in
Package Weight:
BAC-3000AL/BAC-3000ALW: 220g / 7.76ounces
BAC-3000EL/BAC-3000ELW: 224g / 7.9ounces
Package Size: 108 * 90 * 60mm / 4.25 * 3.54 * 2.36in

Model Definition:
A : Two pipe; Control Fan Coil Unit and Two Wired Motorized Valve
L: Backlight
W: Wifi connection
E : Four pipe; Control Fan Coil Unit and Two Wired Heat Valve and Two Wired Cool Valve

Note:
The thermostat only can be used for central air conditioning system and control fan coil.
Two pipe valve: hot water supply in winter for heating, and cold water supply in summer for cooling.
Four pipe valve: cold and hot water supply at the same time, heating and cooling at any time.

Packing List:
1 * Thermostat
2 * Screws
1 * Wall Plate
1 * User Guide