The AST-1027 features an audible alarm that sounds when the set temperature is exceeded. The alarm is set using its soft touch rubber function buttons. This unit is also splash-proof, providing protection against light water spray. -50 to 300C x 1C Audible alarm when target temperature set by the user is met or exceeded 15mm LCD display with alarm indicator Soft touch rubber function buttons Casing is waterproof to IPX-3 standard gives protection against water spraying provided the black rubber ring around the battery compartment is in place at all times. This product is not suitable for total immersion 145 x 4mm stainless steel penetration probe with pointed tip Supplied with safety cap and battery