Electric Water Valve (Solenoid Water Valve) from the KHAN brand, works with 220V AC voltage. The second valve is 12V / The third is a 12V float / Early gas leak detector. When it senses any gas leak, the device emits a visual and audible alarm to warn, and at the same time sends an electrical signal to the shut-off valve to automatically and immediately close the gas line, cutting off the supply and preventing fires, God forbid. The device is working perfectly 👍 Price: 250 SAR / Gas detector device works on electricity, easy to install and use. This type of gas leak detector features an alarm siren when it senses a gas leak. / The second device price: 50 SAR, in excellent condition 👍