[Operating Instructions]: Press and hold the SET key for 5 seconds to obtain the . Starting from P0, press+/- to obtain the P parameter, press the SET key to determine the P parameter, press+/- to set the desired value of the parameter, press SET to accept, and press and hold+/- to reset to the default value (34.5 C)[Temperature control range]: XH-W1209 temperature control module has a wide temperature measurement range of - 50~110 . Control accuracy: 0.1 . Input (DC): 12V; Measurement input: NTC (10K 0.5%); Waterproof sensor: 0.5M; Output: 1 channel relay output, capacity: 10A; consumption: quiescent current: 35mA; Current: 65MA[High precision temperature module]: XH-W1209 temperature sensor module is embedded with CPU chip (MCU), which is more intelligent, has lower consumption, and has a 3-bit LED display with high precision and stable performance[High quality NTC probe]: We use high quality NTC temperature probe, which is waterproof and can control temperature, so as to control heating and cooling; Wooden laminated box can protect components well[High quality assembly]: Our temperature controller board modules are well assembled under the conditions of machine mounting, wave soldering, stable performance and good consistency; Embedded CPU chip, namely MCU, is more intelligent and energy-saving.color:As shownMaterial:pcbsize:14.99 x 10.92 x 1.98 cmPackage Contents:2 x temperature controller boardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.