The Whadda WSG101 Madlab Electronic E-Lock kit is an electronic combination lock that is controlled by your mobile phone. The E-Lock picks up, using the onboard microphone, the DTMF tones generated when the keypad of a mobile phone is pressed. When the correct combination of keys has been pressed, the E-Lock's 1 amp integrated relay is activated. The relay can be connected to a solenoid (not supplied), or other device, controlling the lock on a door or enclosure. * Power supply: 9V battery (not included.) * Dimensions: 100 x 50 x 17 mm / 3.4 x 1.9 x 0.7" https://elecena.pl/product/27149315/whadda-wsg101-madlab-electronic-kit-e-lock 2024-11-06 https://elecena.pl/product/27149315/whadda-wsg101-madlab-electronic-kit-e-lock 2024-12-24 https://elecena.pl/product/27149315/whadda-wsg101-madlab-electronic-kit-e-lock 2025-01-01 https://elecena.pl/product/27149315/whadda-wsg101-madlab-electronic-kit-e-lock 2026-03-04