Smart Wireless Doorbell EU/UK/US/AU plug Waterproof Color:2 button 1 receiver [173] 1 * English Quartz shows

1 * English Quartz shows instructions

Thin and lightweight material is breathable and sweat-absorption for comfortable wearing all day long

0 Mhz Waterproof probe

Items Included: 1pc Outfits

Each beautiful pearl inside your freshwater oyster

Smart Wireless Doorbell EU/UK/US/AU plug Waterproof Color:2 button 1 receiver [173] 1 * English Quartz showsFeatures and specifications: 1. The button supports up to 20PCS, and the receiver supports up to 100pcs. 2. If multiple buttons are paired with one or more receivers in the same system, each button can be set to a different ringtone. 3. Power off memory function: Turn the power on again after power off, no need to re adjust and lock the ringtone. 4. The transmitter has no screw chuck design, and it can be waterproof and dustproof without rubber ring.