Muž upravuje digitální termostat v nemocnici - Stock fotografie a obrázky

Man on the phone works on temperature thermostat

Contractor installing security keypad in hospital lobby

Men regulate temperature on control panel of central heating

Male technician installing alarm system indoors

Man installing alarm system indoors

Man installing a programmable room thermostat

Angry man holding fist to electronic keypad

Man installing home security system on white wall in room

Mature man pressing buttons on electronic keypad

Woman adjusting thermostat on white wall

Young male electrician installing security system

Changing the access pin

Handsome mature electrician repairing intercom

Portrait of worker installing control thermal insulation

Maintenance engineer checking technical data of heating system

Electrician fitting an intrusion alarm