Aico EI103C Battery Powered Heat Alarm with PC1604 Duracell Battery 
 
SPECIFICATION:
Battery powered with a 9V
Fast response thermistor, best for detecting heat build-up from large flaming fires
Alarm temperature range, 54°C to 62°C
Hard-wire interconnect up to 12 Alarms
Built-in Test button
Piezoelectric horn
Battery removed indicator
Low battery audible warning
Kitemarked to BS 5446-2:2000
5 Year Guarantee
Sensor Type - Thermistor
Supply Voltage - 9V battery
Horn - Piezoelectric
Sound Level - 85 dB(A) at 3 metres
Weight - 215g (including packaging)
Dimensions - Product - 140mm x 120mm x 55mm