A battery-free button for all occasions
Whether the original button has broken or someone has damaged it, it can be easily replaced. Or do you need to add more transmitters to your existing doorbell? The pairing function, called Learning code, can help in a simple way in all cases where a new button is needed. The dynamo-based transmitter does not require batteries and is easily mounted on a wall or door.

• additional or replaceable battery-free transmitter for wireless kinetic doorbell Solight no. 1L51
• transmitter button on the principle of the dynamo, an electrical signal for ringing is created by transferring of mechanical energy by pressing the button. There is no need to worry about expensive battery replacement, especially in winter.
• "Learning code" function allows pairing more transmitters or receivers into one group
• IP44 waterproof protection
• the transmitter can be fixed on a wall with a self-adhesive pad
• color: white
• signal range in open area: 150m
• transmission frequency: 433.92MHz
• operating temperature: -10°C to +40°C
• power supply: without batteries, lifetime 200 000 presses