Meanwell RT65C SMPS (5V, 15V,-15V) 50W Triple Output Switching Power Supply 0.56 inch These are Carbon Film Resistor

These are Carbon Film Resistor with a value of 820k ohm 1/4W and tolerance of ±5%

Resistance Value 120 ohm Color Code Brown

So that it can remote unlock the door

With the help of the remote

Meanwell RT65C SMPS (5V, 15V,-15V) 50W Triple Output Switching Power Supply 0.56 inch These are Carbon Film ResistorRT 65C series is a 65W triple output enclosed type power supply with 38mm of low profile design. The AC input is 88~264VAC which could be directly supplied from the house supplied voltage. The output Voltages from SMPS will be +5V, +15V, 15V. The SMPS has high efficiency up to 77%, the design is of metallic mesh case which enhances the heat dissipation of RT 65C that the whole series operates from 25C through +70C. RT 65C has complete protection