3 The Dowshu DMA 11-32 is our entry-level no-nonsense Auto-Sensing non-touch calibrated Temperature Check System. Safe easy to Use Auto-sensing Non-Touch Temperature Check Calibrated for greater Accuracy Easy Convenient Install Large LCD Temperature Read-out Temperature Check in 1 Second Audible warning if the temperature is in danger Zone Technical Data: Accuracy: 0.2 degrees (+/-) Abnormal Temp: Audible warning & flashing neon Measurement Distance: 5-15CM Battery: Model 18650 (extra) Power: 5Vdc to mains connect for continuous supply Operating Temperature: C & F Response Time: 0.5/s Infra-Red Measuring Range: 0/50C Dimensions: 175x118x139 Screen: Digital display Standby: 5s Weight: 500g Wall Mount Wall/Glass mount or Stand Certification CE Certified This is all included: 1 x USB Power Supply /Charger 1 x Set of screws and wallplugs 1 x set of self-adhesive pads for direct to wall or glass mounting 3.8 metres USB Power Extension Cable Instruction leaflet. Warranty: 12 Months