Aqua One - Easy Read LCD Thermometer Inside Tank The Checkmate Dog Collar -

The Checkmate Dog Collar - a revolutionary Martingale-style collar that simplifies the dog training process

Available in single or double outlets

Optimal promotion of plant growth means less algae growth

The mat bed is simple to maintain - just machine wash the cover as needed

Charcoal Filter

Aqua One - Easy Read LCD Thermometer Inside Tank The Checkmate Dog Collar -Temperature range: 0C +37C (+32F +99F) Adjustable temperature alarm Provides accurate temperature monitoring from the exterior of a glass aquarium Alarm indicator briefly sounds and continuously flashes when the aquarium reaches a range outside the set parameters Securely mounts on the exterior of a glass aquarium