The HM-20 ultrasonic mist maker generates dense fog for fish tanks, rockery bonsai, fountains and landscape humidification. Its corrosion-resistant alloy/stainless steel body houses a 20mm or 16mm atomizing disc with optional 12-color LED ring, running at 13W on safe low voltage (≤36V) with water-shortage auto shut-off. Options include metal or plastic mist heads (with or without LED), power adapters and splash guards. Cross-border export ready with sales on eBay, Amazon, Wish and AliExpress. Listed price from RMB 2 (accessory); mist heads priced by version, MOQ 2 pieces.