https://ellestfun.en.alibaba.com/product/60341087076-801987474/IONCARE_wholesale_top_selling_Clenaer_Deodorizer_refrigerator_aroma_diffuser.html

Technical Specifications:

1.Ozone concentration: About 4.0ppm in “High” mode (operates 30 minutes inside a 40L closed container)

2.Effective Range:“High” mode <250L “Low” mode <150L

3.Rating Voltage: DC4.5V

4.Power Supply: 3pcs 1.5V AA-size alkaline batteries

5.Power consumption: 0.5 watts

I measured:

3.7 V * 0.029 A = 0.107 W
4 V * 0.032 A = 0.128W

This is all below 4.5V, but is test for single 18650 cell.

6.Dimensions: H116 x D80 mm

7.Weight: 0.15kg

INCARE GH2128

MONIC FRESHENER & DEODORIZER FOR REFRIGERATORS, CLOSETS BATHROOMS

Instructions

FUNCTIONS AND FEATURES

An innovative device utilizes ionic technology to generate ozone (O₂) & anions to purify the air thoroughly.

1. Neutralize stale and foul odors with fresh air inside refrigerators, closets, bathrooms and cars, etc.

2. Kill all kinds of bacteria to avoid the growth of mildew. 3. Very ideal for use in refrigerator to keep the foods fresh for longer time.

4. Built-in micro CPU intelligently controls the operation cycle & mode by one touch and indicates with the colored LED.

5. Operated by 3 AA batteries. Low voltage indicator reminds you of replacing batteries.

HOW TO OPERATE

1. Remove the battery door on the bottom of the unit, install 3 pieces "AA" 1.5V high-quality alkaline batteries (purchase separately) according to the proper polarity, close with the battery door.

2. Press the "ON/OFF" button once and the power indicator lights up. You may feel a slight breeze from the top grilles, which means the machine on working.

3. Press the "ON/OFF" button again to turn off the unit.

4. Operating mode settings:

1) When the machine is turned on, press the "MODE" button to toggle the operating modes between HIGH and LOW.

2) When the HIGH mode is selected, the power indicator will light up in green and blink.

The machine firstly performs a continuous working for about 30 minutes,
and the power indicator will blink every 2 seconds.

Then the machine will go into a cycle of automatic I-minute's sterilization and deodorization in every 1 hour,
in the other time, the machine will go to sleep and the power indicator will blink every 10 seconds.

3) When the LOW mode is selected, the power indicator will light up in orange and blink.

The machine firstly performs a continuous working for about 20 minutes,
and the power indicator will blink every 2 seconds.

Then the machine will go into a cycle of automatic 40-seconds
sterization and deodorization in every 1 hour
in the other time the machine will go to sleep and the power indicator will blink every 10 seconds.

5. When the power indicator becomes red, this is the butto voltage indicator reminds you of replacing bateries.

SPECIAL ATTENTION

When the machine used in the refrigerator.

1. Make sure to place it into the refrigerator companimens ofer than the freezing compartment.

2. Before taking it from the refrigerator, make sure to tum of is power first.

Due to the lower temperature of the refingerator when the machine comes in contact with the outside air
there will be water condensation on its body and inside, if the machine keeps working,
it maybe leads to the short circuit of the electic parts and corrode the metal parts even the batteries

3. When the indicator becomes red, it's time to change the betteries

Take the machine from the refrigerator, and then wrap it with a clean plastic bag.

Before replacing with the new batteries make sure the temperature of the machine casing raises to room temperature.

CAUTION

1. Take out the batteries if leaving the unit idle for a long time.

2. Do not operate the unit in areas where flammable or combusite products or vapors may be present.

3. Keep the unit away from water.

4. Do not strongly shock the unit to avoid any stack of the inter parts of the unit.

Read and save these instructions