· Quartz glass of 2mm thickness, super shatterproof
· Silicone caps prevent the heater from damage during transportation and use
· Protection against running dry, safe and reliable
· Smart digital display and indicator light for instant monitoring of working status
· Accurate automatic heating to pre-set temperature
· Overheating or low temperature warning, safe for fish
· With memory function in case of power-off, retains previous settings after restart