24V 500mA Doorbell Transformer AC Power Supply Adapter For Ring Doorbell 2M 2025 I’ve used this to test my spare camera doorbells and not required anymore. Still works perfectly fine, just trimmed the cable so it’s 2m long now. Installation guide 1.Loosen the screw behind the doorbell. 2.Link 2 wire tips to the two terminal on the back of the doorbell. 3.Switch on the 230-240V AC power, until the rim of the button flash white light. 4.Starts to work when the Power voltage is good. • Input voltage: 230-240 V/AC, 50 Hz • Output voltage: 24 V, 0.5 A/ AC • Cable length: 2 metres
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