For refrigerator or fridge use
Features:
1. Patented, exclusive piezo-electric technology
2. Compact size
3. Interval work for 2 months lifespan
4. No filters, zero maintenance cost
5. A pair of AAA battery for power supply
Specification: 
1. Negative Ion Density: 2 million/cc
2. Ozone Density: less than 0.05 ppm
3. Working Voltage: DC3.6V 
4. Rated Power: 0.15 W
5. Operation Temperature: -20 to 60 degree Celsius
6. Related Humidity: RH20-80%
7. Unit Weight: 49gs
Material: ABS Fireproofing Plastic
Standard part: product
Packing Details:
Product Size: 75*55*20mm
Inner Box Size: 127*45*169mm
Master Carton Size: 412*400*358mm
Pieces/Carton: 48pcs
Net Weight/ctn: 7.5kgs
Gross Weight/ctn: 9.5kgs
Qty for 20 FCL: 20,160pcs
Qty for 40 FCL: 41,760pcs
LED color: Green
Standard Color: Sliver, Gray, Pearl White
Approval: CE, SGS
ROHS Directive: Yes