Wireless surface-mounted exit button S4A-501

The S4A-501 wireless exit button by Spreest is an elegant, durable, and reliable access control system that can be used both at home and in the office, shop, or hotel. Just a light touch is enough – and your door opens automatically. Ideal for remote door, gate, or wicket opening systems – without the need to run cables through walls and ceilings . Key Features 1. Wireless technology – Thanks to the use of stable radio communication, the switch operates reliably within a radius of up to 30 meters in an open area. 2. Three operating modes – You can set: Momentary mode (inching) – each touch triggers an opening signal lasting approx. 1.5 seconds. Perfect for automatic doors or intercoms. Maintained mode (toggle) – the device's state changes with each touch – ideal for lighting, roller shutters, electric strikes. NO (Normally Open) mode – the switch works until touched again – great for specialized installations. 3. Easy and quick configuration – The built-in “Learn” button allows for instant pairing of the transmitter with the receiver. The ability to remember up to 20 different transmitters by the receiver is a huge advantage when you want to open the lock from more places. 4. Elegant and durable housing – The button is made of durable metal, resistant to mechanical damage, scratches, and dirt. 5. Intelligent power management – The device operates for up to up to 300 days on one set of batteries – with everyday use. Additionally, thanks to the receiver's universal power supply, you can easily connect it to most popular systems – without modifying the installation. 6. Safe Operation and Interference Immunity – Thanks to the self-learning system and background calibration (after battery installation), the device adapts to its surroundings, minimizing the risk of false triggering. High sensitivity guarantees stable operation even in difficult electromagnetic conditions. 7. Compact Dimensions and Easy Installation – The set can be mounted in almost any location – both on a wall and on a flat surface. Technical specifications Receiver Power supply: DC 12–30V Power consumption: 34mA (standby), 62mA (operation) Maximum relay load: 1A 24V DC Operating modes: momentary, sustained, NO Dimensions: 110 × 30 × 15.6 mm Transmitter Power supply: 2x 3V button cell battery (CR2032) – included Operating time: approx. 300 days (at 200 uses per day) Consumption: ≤10 µA (standby), 7.5 mA (emission) Range: up to 30 m in open area Waterproof: Yes Dimensions: Depth 12.4 mm; Diameter 64 mm The set includes 1x Wireless exit button S4A-501 1x Receiver (electric strike control module) 2x CR2032 battery 1x Double-sided sticker for the transmitter 1x Double-sided sticker for the receiver 1x User manual User manual in Polish in electronic version available in the downloadable attachment. You will find it below or above our product description .