Reliable 26C Heating for Small Aquariums Provides a constant 26C temperature using intelligent heating control, giving betta and tropical fish a stable, discomfort environment without the need for manual temperature adjustments. Red/green status indicator lights make operation and monitoring simple at a glance. Compact, SpaceSaving Design Designed for desktop aquariums and 3L small tanks; compact and lightweight so it stays discreet and won't clutter the setup. Fits neatly into small habitats while maintaining efficient heating performance. Durable, Safe Construction Built from crackresistant materials with a shatterproof body to reduce breakage risk during normal use. Rubbersealed waterproof design provides leak operation and added electrical protection for safer aquarium heating. Supports steady temperature maintenance for consistent water conditions. USBPowered Flexibility Runs from a USB power source so you can keep stable temperatures without a wall outlet—useful for desktop setups, outdoor tanks, or travel where conventional power may be limited. Who this helps and how it solves common problems or busy aquarists: eliminates the need for frequent manual temperature checks and adjustments. Owners of small tanks or desktop aquariums: offers reliable heating without taking up space or creating visual clutter. Travelers and outdoor hobbyists: USB power and compact size let you maintain a stable habitat away from home. Typical use scenarios A 3L desktop tank housing a betta in an office, maintaining a steady 26C during long workdays. A small tropical fry tank where consistent temperature is critical for healthy development. A portable setup for short trips or outdoor displays where access to a wall outlet is limited. Key attributes at a glance Target temperature: constant 26C Control: intelligent heating with status indicator lights (red/green) Compatibility: ideal for 3L small tanks, desktop aquariums, betta and tropical fish Power: USBpowered for flexible placement Materials/safety: crackresistant, shatterproof body, rubbersealed waterproof protection Easy to install and operate, this compact heater delivers dependable warmth and safety for small aquatic habitats.