10pcs 2.54mm 40Pin Female Socket Pin Header Strip 1x40P Single Row Straight Female Socket Pin Header Strip Connector Black electronics_new_releases_Aug2023 5 secondPower Supply 90 ~

5 secondPower Supply 90 ~ 260 VAC 50/60HzPower Consumption 4WAmbient Temperature -10 ~ 50 degree Celcius /14 ~ 122 degree FahrenheitAmbient Humidity 35 - 85 %Dimensions 72(H) x 72(L) x 80(D)mm/2

and open your mail in a jiffy

then depress the top end until it clicks and pops

and then using phone_2 ( may be a fixed telephone) call the phone_1

multiple choices

10pcs 2.54mm 40Pin Female Socket Pin Header Strip 1x40P Single Row Straight Female Socket Pin Header Strip Connector Black electronics_new_releases_Aug2023 5 secondPower Supply 90 ~10pcs 2. 54mm 40Pin Female Socket Pin Header Strip 1x40P Single Row Straight Female Socket Pin Header Strip Connector Black Material: Insulating Part: Thermoplastic material (UL94V 0) Contactor: nickle plated iron Specifications: Operating Temperature: 0 to + 85 degree centigrade Contact Resistance: 20MO (initial) Insulation Resistance: 1,000MO Dielectric Strength: AC1000V Package Include: 10pcs Black Single Row Straight 40 Pin Female Socket Pin