Vintage VFD Tube Clock

Parameters:

Support display: time/year/date/weekday/temperature/humidity

Display mode:

0. Fixed Time A

1. Fixed Time B

2. Time + Temperature / Time + Humidity (auto switch between two display mode)

3. Time + Temperature / Date + Humidity (auto switch between two display mode)

Lightness: auto / manual adjustment

Lightness of manual adjustment: 5 levels

Time format: 12H/24H

RTC chip: DS3231

Accuracy: 2ppn, annual error within 1 minute

Backup battery: CR1220 (may not included)

Working voltage: DC 5V

Working current: 400mA

Interface specification: type-C

Dimensions(W*D*H): 166*40*55mm / 6.53*1.57*2.16in

Net weight: 210g / 0.46lb

Package weight: 300g / 0.66lb

Packing List:
1*VFD Clock
1*Wireless Temperature Sensor
1*USB Cable1*User Manual

Features:
Custom-made large VFD display reach 160mm*33mm, DS3231 TXCO clock chip with much less error,
high-precision digital sensor for accurate measurement of temperature and humidity, and use wireless solution to avoid heat interference.

Supporting display time/year/date/weekday/temperature/humidity,
proper size but full of vintage style just like IV18 tube, can can clearly show the time and add the decoration effects for your home / office desk, bedside, car etc.,
both practical and beautiful.

Powered by DC 5V type-C interface, you can use phone charger to power it, default equipped with high-quality Type-C USB cable,
very convenient and easy to use at home / office or in car.Brightness with auto and manual adjustment,
in auto mode the brightness can adjust according to the environment brightness for better visual effectsand will not disturb your rest and sleep at night.

Introduction of Wireless Sensor:
1. There is a switch under the little hole, use a proper tool to press it to turn the sensor on. 
2. Measure the temperature and humidity per minute, it will send data once if the difference between the new and the last data over or equal to 0.3°C / 0.3%. 
3. The sensor uses 3.6V ER14250 lithium battery(may be not included), cannot be charged. Its 1000mAH capacity can last 3-6 months.
    The smaller change of temp and humi, the longer its service life.